Question

How do you divide `(2/7)^-3`?

Answer 1

`(2/7)^(-3) = 147/8 = 18 3/8`

Explanation:

`(2/7)^-3`
`color(white)("XXXX")` `= 1/((2/7)^3)`

`color(white)("XXXX")` `= 1/(2^3/7^3)`

`color(white)("XXXX")` `= (7^3)/(2^3)`

`color(white)("XXXX")` `= 147/8`