PN.1, SEC 4, sig fig rnding
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Question 1 of 25
1. Question
Topic: Significant Figure Rounding
How much is £786.45 rounded to 1 significant figure?
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£ 💷
CorrectIncorrectHint
Hint: Focus on the first significant digit and check the digit right after it to decide whether to round up or down. 💡
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Question 2 of 25
2. Question
Topic: Significant Figure Rounding
What is the temperature of 37.85 degrees Celsius rounded to 2 significant figures?
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degrees Celsius 🌡️
CorrectIncorrectHint
Hint: Focus on the first two significant digits and check the digit right after them to decide whether to round up or down. 💡
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Question 3 of 25
3. Question
Topic: Significant Figure Rounding
Round 26.438 minutes to 3 significant figures.
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minutes ⏲️
CorrectIncorrectHint
Hint: Look at the first three significant digits, then check the fourth digit to see if you need to round up or down. 💡
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Question 4 of 25
4. Question
Topic: Significant Figure Rounding
How much is 9827 barrels of oil rounded to 1 significant figure?
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barrels 🛢️
CorrectIncorrectHint
Hint: Focus on the first non-zero digit and check the next digit to see if you need to round up or down. 💡
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Question 5 of 25
5. Question
Topic: Significant Figure Rounding
What is 29248 miles rounded to 2 significant figures?
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miles
CorrectIncorrectHint
Hint: Focus on the first two non-zero digits and check the next digit to see if you need to round up or down. 🌟
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Question 6 of 25
6. Question
Topic: Significant Figure Rounding
What is 12.99 litres rounded to 3 significant figures?
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litres
CorrectIncorrectHint
Hint: Focus on the first three non-zero digits and check the next digit to see if you need to round up or down. 🌟
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Question 7 of 25
7. Question
Topic: Significant Figure Rounding
What is the depth of 228.6 inches rounded to 1 significant figure?
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inches
CorrectIncorrectHint
Hint: Focus on the first non-zero digit and check the next digit to see if you need to round up or down. 🌟
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Question 8 of 25
8. Question
Topic: Significant Figure Rounding
What is 347 litres rounded to 1 significant figure?
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litres
CorrectIncorrectHint
🔍 Hint: To round to one significant figure, focus on the first non-zero digit and use the partition line method. Significant figures are the digits that carry meaning contributing to a number’s precision. For example, in the number 347, the first significant figure is 3. Use this to decide how to round the number. 🧐
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Question 9 of 25
9. Question
Topic: Significant Figure Rounding
Round 5555 nautical miles to 2 significant figures.
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nautical miles
CorrectIncorrectHint
Hint: Look at the first two non-zero digits, then check the digit right after them to decide if you need to round up or down. 🌟
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Question 10 of 25
10. Question
Topic: Significant Figure Rounding
How much is £82 rounded to 2 significant figures?
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£
CorrectIncorrectHint
Hint: The first two non-zero digits are your significant figures. 🔢
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Question 11 of 25
11. Question
Topic: Significant Figure Rounding
How much is £30247 rounded to 3 significant figures?
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£ 💷
CorrectIncorrectHint
Hint: Focus on the first three digits and then look at the fourth to decide if you need to round up or down. 💡
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Question 12 of 25
12. Question
Topic: Significant Figure Rounding
What is the length of 368 meters rounded to 3 significant figures?
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meters
CorrectIncorrectHint
Hint: Look at the first three non-zero digits. 🔢
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Question 13 of 25
13. Question
Topic: Significant Figure Rounding
What is 97642 cubic meters rounded to 1 significant figure?
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cubic meters📦
CorrectIncorrectHint
Hint: Look at the first digit and then check the next digit to decide if you need to round up or down. 💡
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Question 14 of 25
14. Question
Topic: Significant Figure Rounding
Round 1053 seconds to 1 significant figure.
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seconds
CorrectIncorrectHint
Hint: Look at the first non-zero digit. 💡
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Question 15 of 25
15. Question
Topic: Significant Figure Rounding
Round the distance of 8765 meters to 3 significant figures.
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meters 🏃
CorrectIncorrectHint
Hint: Pay attention to the first three digits and then look at the next digit to see if you need to round up or down. 💡
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Question 16 of 25
16. Question
Topic: Significant Figure Rounding
What is 1527 gallons rounded to 2 significant figures?
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gallons 🛢️
CorrectIncorrectHint
Hint: Focus on the first two non-zero digits. 💡
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Question 17 of 25
17. Question
Topic: Rounding to Whole Numbers
Use your calculator to work out 0.975 × 2.47.
Give your answer to 1 significant figure.
CorrectIncorrectHint
💡 Hint: Use your calculator to find the product of the numbers. Pay attention to significant figures when rounding your final answer.
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Question 18 of 25
18. Question
Topic: Significant Figure Rounding
What is £4589 rounded to 3 significant figures?
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£ 💷
CorrectIncorrectHint
Hint: Focus on the first three non-zero digits. 💡
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Question 19 of 25
19. Question
Topic: Rounding to Whole Numbers
Use your calculator to work out .
Give your answer to 2 significant figures.
CorrectIncorrectHint
💡 Hint: Use the square root (√) button on your calculator. Pay attention to significant figures when rounding your final answer.
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Question 20 of 25
20. Question
Topic: Significant Figure Rounding
What is 1594 millilitres rounded to 1 significant figure?
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millilitres 🧪
CorrectIncorrectHint
Hint: Focus on the first non-zero digit. 💡
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Question 21 of 25
21. Question
Topic: Rounding to Whole Numbers
Use your calculator to work out 1.58 × 3.82.
Give your answer to 2 significant figures.
CorrectIncorrectHint
💡 Hint: Use the multiplication (×) button on your calculator. Pay attention to significant figures when rounding your final answer.
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Question 22 of 25
22. Question
Topic: Significant Figure Rounding
What is 4921 feet rounded to 2 significant figures?
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feet 📐
CorrectIncorrectHint
Hint: Focus on the first two significant digits. 💡
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Question 23 of 25
23. Question
Topic: Rounding to Whole Numbers
Use your calculator to divide 9.54 by 2.78.
Give your answer to 1 significant figure.
CorrectIncorrectHint
💡 Hint: Use the division (÷) button on your calculator. Pay attention to significant figures when rounding your final answer.
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Question 24 of 25
24. Question
Topic: Significant Figure Rounding
What is the weight of 932.23 kilograms rounded to 2 significant figures?
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kilograms ⚖️
CorrectIncorrectHint
Hint: Focus on the first two significant digits. 💡
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Question 25 of 25
25. Question
Topic: Rounding to Whole Numbers
Use your calculator to work out .
Give your answer to 2 significant figures.
CorrectIncorrectHint
💡 Hint: Use the square root (√) button on your calculator. Pay attention to significant figures when rounding your final answer.
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