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Which of the following numbers has two s...

Which of the following numbers has two significant figures?

A

24

B

240

C

2400

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
We have, ending zeroes of exact numbers are not significant.
`:.` In each of the given options significant figures are 2
`:.` Choice (d) follows.
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PEARSON IIT JEE FOUNDATION-SIGNIFICANT FIGURES-Level 2
  1. The value of 1/(5-sqrt3) correct to two significant figures [given tha...

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  2. A pole is measured with a scale marked in centimetres. If the length o...

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  3. Evalute 3.768 - 1.876 corrected to two significant figures.

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  4. When a number is approximated to the nearest hundreds, the approximate...

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  5. The distance between two places is 2000 km, correct to nearest thousan...

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  6. The height of a person is 6.0 ft, correct to nearest foot (in integer)...

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  7. Number of significant figures in the square root of 42.25 is "".

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  8. Evaluate (0.304) (0.12) corrected to four significant figures.

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  9. Which of the following numbers has two significant figures?

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  10. The length of a pole is 42.3 m. Find the number of significant figures...

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  11. Number of significant figures in 3.0 is "".

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  12. Evaluate 3/7 correct to three decimal places.

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  13. Evaluate 15/(sqrt 2-1) correct to four significant digits (Take sqrt2 ...

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  14. Evaluate sqrt80 correct to three significant digits.

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  15. After simplification, numbers of zeroes before first significant digit...

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  16. The distance between two places is measured with a scale marked in met...

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  17. There are certain number of students in a class. This is approximated ...

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  18. Evaluate 1/(3+sqrt7) correct to one significant digit (Take sqrt7=2...

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  19. Evaluate 2.304xx23.05 correct to four significant figures.

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  20. If number of significant digits of axx 3a is 3, then which of the foll...

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