## Algebra 1: Common Core (15th Edition)

$8.95 \times 10^{-12}$
Rearrange Factors: $= (1.78 \times 5.03)({10^{-7}}\times {10^{-5}})$ Simplify: $=8.9534 \times 10^{-12}$ Round to the appropriate number of significant digits: $\approx \boxed{8.95 \times 10^{-12}}$