Simplify t raised to the power -4. (t-4)

3r-5.
s-3/t-5

2 answers

t^-4 = 1/t^4
Not much can be done to simplify that.
Similarly with the others.
Be sure to use the ^ for powers, os we confuse

3^-2 = 1/9
with
3-2 = 1
i have a problem that says 7C 6squared divided by 7c and i don't know how to solve it.