Question

Q1. How many significant figures are there in: 1



a.0.0025



b.5005

Answer 1

Here is your answer
a
There are two significant figure in0.0025.

b
There are four significant figure in 5005.

Hope it helps you.

Answer 2

In (a)0.0025

there are two non zero numbers after decimal.

So there are two significant figures.

(b)5.005

there is one nonzero number before decimal and another one after the decimal and also two trailing zeroes are present

So there are four significant figures.

Hope it helps you.

Thanks.