Add 7.21, 12.41 and 0.0028, and express the result the rsult to an appropriate number of significant figures.

Add 7.21, 12.141 and 0.0028 and express the result to an appropriate number of significant figures.

The number of significant figures in 0.07 is

Choose the correct option. The sum of 7.21, 12.141 and 0.0028 can be expressed upto appropriate number of significant figures as

Subtract 4.27153 from 6.807 and express the result to an appropriate number of significant figures.

Number of significant figures in 0.050 is :

The number of significant figures in 0.0500 are