If -1<t<0, which of the following statements must be true?

a. t^3<t<t^2
b. t^2<t^3<t
c. t^2<t<t^3
d. t<t^3<t^2
e. t<t^2<t^3

(-1)^3 = -1

0^2 = 0

What does that tell you?