Express in scientific notation

MATHEMATICS · Single correct · CBSE · Mathematics · Power Play · Power Play

Problem

Express

0.0003125

in scientific notation, retaining all significant figures. (a)

3.13\times10^{-4}

(b)

3.125\times10^{-5}

(c)

3.125\times10^{-4}

(d)

31.25\times10^{-5}