The density of a certain steel alloy is

MATHEMATICS · Single correct · CBSE · Mathematics · Proportional Reasoning · Proportional Reasoning

Problem

0.283\,\text{lb}\text{/}\text{in}^{3}

. Given

1\,\text{lb}=0.453592\,\text{kg}

and

1\,\text{in}=0.0254\,\text{m}

, what is the density in

\text{kg}\text{/}\text{m}^{3}

? (a)

2.0\times10^{2}\,\text{kg}\text{/}\text{m}^{3}

(b)

7.9\times10^{4}\,\text{kg}\text{/}\text{m}^{3}

(c)

7.9\times10^{3}\,\text{kg}\text{/}\text{m}^{3}

(d)

3.8\times10^{4}\,\text{kg}\text{/}\text{m}^{3}