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

Subtract 4.5xx10^(4)" from "7.9xx10^(5) and express the result 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.

Calculate the area of a circle of diameter 1.05m and express the result to an appropriate number of significant figures. Take pi =3.14 .

The number of significant figures in 6.320 is

The number of significant figures in 6.320 is

The length , breadth and thickness of a metal block are 4.327 m , 2.825 m and 4.32 cm respectively . Calculate its (i) surface area and (ii) volume and express the results to an appropriate number of significant figures .

The number of significant figures in 6.0025 is

Subtract 10.5 from 10.587 and express the result with correct number of significant figures.