Question

What is the following number in decimal form? 2.93 × 10−7 =

Answer 1

`a^(-n)=\left((1)/(a)\right)^n\\\\10^(-7)=\left((1)/(10)\right)^7=(1)/(10,000,000)=0.0000001\\\\2.93*10^(-7)=2.93*0.0000001=\boxed{0.000000293}`