Physics

Problem

Find the value of

\dfrac{3.45\times10^{2}+6.7\times10^{1}}{4.8}

and express it in scientific notation with the correct number of significant figures. a)

8.58\times10^{1}

2.1\times10^{2}

8.6\times10^{1}

8.8\times10^{1}