Question

How do you multiply `(5×10^2)(7×10^5)`?

Answer 1

`35xx10^7`

Or if you're using scientific notation:

`3.5xx10^8`

Explanation:

Multiply the number factors:
`5xx7=35`

Multiply the powers by adding the indices
`10^2xx10^5=10^(2+5)=10^7`

`=35xx10^7`

Or if you are using scientific notation:
`3.5xx10^8`