Question

Write each expression as a single power of 10
​

Answer 1

`10^(9)`

Explanation:

I.
`10^(4) * 10^(12-7)`

=
`10^(4) * 10^(5)`

=
`10^(4 + 5)`

=
`10^(9)`

Answer 2

`{ \underline{ \sf{it \: is \: {10}^(9) }}}`

Explanation:

`(10 {}^(4) ). \frac{ {10}^(12) }{ {10}^(7) } = ( {10}^(4) ). {10}^((12 - 7)) \\ \\ = ( {10}^(4) ). {10}^(5) \\ = {10}^((4 + 5)) \\ = {10}^(9)`