How many significant figures are there in the following (a) `6.022 xx 10^(23)`, (b) 0.080, (c ) 8.002

Explanation

(a) `6.022 xx 10^(23)` has 4 significant figures.
(b) `0.080` has 2 significant figures.
( c) 8.002 has 4 significant figures.