## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$2.5\times10^{13}$
Using the laws of exponents and the concepts of scientific notation, the given expression, $\dfrac{8.5\times10^8}{3.4\times10^{-5}}$, simplifies to \begin{array}{l} (8.5\div3.4)\times10^{8-(-5)} \\\\= 2.5\times10^{13} .\end{array}