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| Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
|---|---|---|---|---|---|---|
| 2.3 | Rounding and Significant Figures |
1. Which of the following numbers is different from the others when rounded to the nearest ten?
Correct Answer: A
2. The difference between the biggest and the smallest number which, after rounding to the nearest hundred both give the number 400, is
Correct Answer: C
3. When rounded to the nearest thousand, the number 14,507 becomes
Correct Answer: C
4. A number gives 4000 when rounded to the nearest ten and another number gives 4000 when rounded to the nearest thousand. What is the difference between the smallest numbers possible that meet the above requirements?
Correct Answer: C
5. When rounded to the nearest ten, the number indicated by an arrow in the number line becomes.
Correct Answer: A
6. The number 370.00 has significant figures.
Correct Answer: D
7. Which of the numbers below has more significant figures?
Correct Answer: C
8. The perimeter of a regular hexagon is 40.0 cm. What is the side length of this hexagon written in the correct number of significant figures?
Correct Answer: C
9. The sides of a triangle are 7.24 cm, 5.42 cm and 11.2 cm. What is the perimeter of this triangle written in the correct number of significant figures?
Correct Answer: B
10. Which of numbers below has more significant zeroes than the others?
Correct Answer: C
11. The number 5.08 when rounded to the nearest unit becomes ..
Correct Answer: D
12. The number 6.673 when rounded to the nearest tenth becomes .
Correct Answer: B
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