College Algebra, Exercise P, Exercise P.4, Section Exercise P.4, Problem 92

Simplify $\left( 1.062 \times 10^{24} \right) \left( 8.61 \times 10^{19} \right)$ using scientific notation, the laws of exponents, and a calculator.

$
\begin{equation}
\begin{aligned}
\left( 1.062 \times 10^{24} \right) \left( 8.61 \times 10^{19} \right) &= (1.062)(8.61) \times 10^{24+19}\\
\\
&= 9.14382 \times 10^{43}
\end{aligned}
\end{equation}
$