## Intermediate Algebra for College Students (7th Edition)

$x=-6.2\times10^{3}$
Multiply equation with $(2\times10^{8}).$ $x=(-3.1\times10^{-5})(2\times10^{8})$ $x=(-3.1\times2)\times(10^{-5}\times10^{8})$ $x=-6.2\times10^{-5+8}=-6.2\times10^{3}$