A stadium holds spectators

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

Problem

A stadium holds

6.0 \times 10^{4}

spectators. If the average mass per spectator is

70\,\text{kg}

, the approximate total mass of the crowd, expressed in scientific notation, is (a)

4.2 \times 10^{5}\,\text{kg}

(b)

7.0 \times 10^{6}\,\text{kg}

(c)

4.2 \times 10^{6}\,\text{kg}

(d)

4.2 \times 10^{7}\,\text{kg}