Evaluate and select the result rounded to the correct number of significant figures.

PHYSICS · Single correct · A Level · Physics · Measurements and their errors · Measurements and their errors

Problem

Evaluate

\dfrac{(1.6\times10^{-19})(3.0\times10^{8})(2.0\times10^{6})}{4.0\times10^{-3}}

and select the result rounded to the correct number of significant figures. (a)

24\times10^{-3}

(b)

2.4\times10^{-2}

(c)

9.6\times10^{-2}

(d)

2.4\times10^{-3}