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

$3.7\times10^{11}$
Using $a\times10^n$, where $1\le a\le9,$ and $n$ is an integer, the scientific notation of the given expression, $370 000 000 000 ,$ is \begin{array}{l}\require{cancel} 3.70 000 000 000 \times100,000,000,000 \\\\= 3.70 000 000 000\times10^{11} \\\\= 3.7\times10^{11} .\end{array}