State the number of significant figures in the following : (a) `0.007m^2` (b) `2.64 xx10^(24) kg` (c) `0.2370 g cm^(-3)` (d) `6.320 J` (e ) `6.032 N m^(-2)` (f) `0.0006032 m^2`

Explanation

The number of significant figures is as follows : (a) one (b) three (c ) four (d) four (e ) four (f) four