Find significant in the followingr observations .
(i) `0.007 gm` (ii) `2.64 xx 10^(24)kg` (iii) `0.2370 gm//cm^(3)` (iv) `6.320J//K`
(v) `6.032N//m^(2)` (vi) `0.0006032K^(-1)` .

Explanation

i) 0.007 has one significant figure
ii) `2.64 xx 10^(24)` has three significant figures
iii) 0.2370 has four significant figures
iv) 6.320 has four significant figures .
v) 6.032 has four significant figures.
vi) 0.0006032 has four significant figures.