Question

What do you mean by significant figures ?

NCERT Class XII
Chemistry - Main Course Book I

Chapter 1. Some Basic Conpepts of Chemistry

Answer 1

All non zero digits are significant .For example 852 cm ,there are three significant figures.and 0.25 there are two significant figures .

Answer 2

Explanation:

The number of significant figures in a given data is the number of all certain digits plus one uncertain digit. For example, 3.015 has four significant figures.

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