Q.

The number of significant figures in 0.06900 is

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a

5

b

4

c

2

d

3

answer is B.

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Detailed Solution

If the number is less than 1, the zero (s) on the right of decimal point and before the first non – zero digit are not significantIn 0.06900, the underlined zeroes are not significant. Hence, number of significant figures is four (6900)
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