The diameter of a virus is given as

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

Problem

1.25 \times 10^{-8}\,\text{m}

. Express this diameter in nanometres (nm) in standard decimal form.

(1\,\text{nm}=10^{-9}\,\text{m})

(a)

125\,\text{nm}

(b)

1.25\,\text{nm}

(c)

12.5\,\text{nm}

(d)

0.125\,\text{nm}