Question

1. State the number of significant figures in
the following:-
1.) 453.5
2.) 53,000,000
3) 400.08
4) 0.000243
5) 0.0650
6) 2.43*10^5
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Answer 1

Answer:

1: 4 significant figures

2: 2 significant figures

3: 5 significant figures

4: 3 significant figures

5: 3 significant figures

6: 3 significant figures

Explanation:

All are according to the common rules of significant figures