Write down the number of significant Sigures in the following.
(i) 0.007 (ii) 2.64`xx10^(24)` (iii) 0.2370
(iv) 6.320 (v) 6.032 (vi) 0.0006032

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.