Subtract `2.5 xx 10^(4) ` from `3.9 x 10^(5)` and give the answer to correct number of significant figures.

Add 2.384xx10^(-4) to 1.7xx10^(-5) and express the result to correct number of significant figures.

Report the answer to correct significant figures in 2.5xx1.25

Subtract 4.5xx10^(4)" from "7.9xx10^(5) and express the result to an appropriate number of significant figures.

Give the number of significant figures 2.653xx10^(4)

Give the number of significant figures 2.653xx10^(4)

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

Find the number of significant figures in the 4.51 xx 10^8

Find the number of significant figures in the 4.51 xx 10^8

Add 4.00 xx 10^(-2) , 3.26 xx 10^(-3) and 1 xx 10^(-6) to the correct number of significant digits :