Question

Find significant figure in 2.73×10^28kg

Answer 1

there are three significant figure

Answer 2

Significant Figure.

The digit in Figure which Value is Accurately known is Significant Figure.

Like =9.03 here There are 3 significant Figure.

9,0,3

In Question

$2.73 \times {10}^{28}$

Here There are 3 significant Figure

2,7,3

But Why not 10^28

Because according to rule of Significant Figure the Power of 10 is Insignificant.

So, Total Significant Value=3

Some Rule of Significant Figure

(1) All non zero Digit of Figure is Significant

Ex=873

(2)All zeroes between two non zeroes digits are significant.

Ex=703 ,here total 3 significant Figure.

7.04 here total 3 significant figure