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Question

The number of significant figures in 0.00386 is :

A
5
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B
3
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C
6
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D
2
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Solution

The correct option is D 3
Leading zeroes to the left of the first non-zero digits are not significant. All non-zero digits are significant.
According to this rule, the given number 0.00386 has three significant figures (3,8,6).

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