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

$5.81×10^{−5}$
Rearrange Factors: $=(3.95\div6.8) \times (10^4 \div 10^8)$ Simplify: $\approx 0.58088 \times 10^{-4}$ Convert to scientific notation: $≈5.8088\times10^{-5}$ Round to the appropriate amount of significant digits: $≈\boxed{ 5.81 \times 10^{-5}}$