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Standard XII
Chemistry
Question

Given the numbers : 161, 0.161 and 0.0161. The number of significant figures for the three numbers is :
  1. 3, 3 and 4 respectively
  2. 3, 3 and 3 respectively
  3. 3, 4 and 5 respectively
  4. 3, 4 and 4 respectively

A
3, 4 and 4 respectively
B
3, 3 and 4 respectively
C
3, 4 and 5 respectively
D
3, 3 and 3 respectively
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Solution
Verified by Toppr

Leading zeros are not significant. Thus, the given numbers 161, 0.161 and 0.0161 contain 3 significant figures.
The digits 1, 6 and 1 are significant.

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