Question

Find the difference. Write your answer in scientific notation. (2.4 x 10-1) – (5.5 x 10-2) =

Answer 1

Convert to usual notation to solve the difference in an easier way.

`\begin{gathered} 2.4*10^(-1)=0.24 \\ 5.5*10^(-2)=0.055 \end{gathered}`
`0.24-0.055=0.185`

Convert the answer to scientific notation:

`0.185=1.85*10^(-1)`