Question

How do you write 7.4 x 10^-5 in standard notation?

Answer 1

`0.000074`

Explanation:

`7.4 xx 10^-5`

To write in standard notation, move the decimal point on `7.4` over as many times as the power of ten given.
Move to the left if the given power has a negative exponent
Move to the right if the given power has a positive exponent

Therefore:
`7.4 xx 10^-5= 0.000074`