Question

How do you evaluate `(r^-3 S^4)^-4`?

Answer 1

Thinks to remember before we start:

1. `x^(-a) = 1/(x^a)`

2. `(x^py^q)^r = x^(pr)y^(qr)`

`r^(-3)S^4)^-4`
`color(white)("XXXX")` `= r^12S^(-16)`

`color(white)("XXXX")` `= (r^12)/(S^16)`