## Algebra 1

$3.4 \times 10^{-5}$
$a^m \cdot a^n = a^{m+n}$ Multiply the corresponding parts and use the rule above when necessary to find the answer: $=(1\cdot 3.4) \times (10^3 \cdot 10^{-8}) \\=3.4 \times 10^{3+{-8}} \\=3.4 \times 10^{-5}$