Question

Given the numbers : 161 cm, 0.161 cm, 0.0161 cm. The number of significant figures for the three numbers are ​

Answer 1

Answer:

1)3

2)3

3)4

Explanation:

number after point are considered

Answer 2

all the three have 3 significant figures

Explanation:

Because all non 0 digits are significant

zeroes to the left of the first non zero digit are not significant