Question

) Write down the number of significant
figures in the following: 0.003 m²,
0.1250 gm cm2, 6.4 x 10 m, 1.6 x 10-19
C, 9.1 x 10-31 kg.
[Ans: 1, 4, 2, 2,21​

Answer 1

Step-by-step explanation:

0.003= 1 significant figures

0.1250=1250×10^-4=4 significant figures

6.4×10= 2 significant figures

1.6×10^-19=2 significant figures

9.1×10-31= 2 significant figures