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Q.

How many significant figures are there in the number 0.02040?

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a

4

b

6

c

5

d

3

answer is A.

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Detailed Solution

All non-zero digits are significant figures, zeros between non-zero digits are significant, and zeros at the end or right of a number are significant.

In the given number, there are four significant figures which are represented in bold, 0.02040.

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