4. Convert 5 3
t to an equivalent expression using a rational exponent
4._______________
5. Convert
2
3
8
27
− to an equivalent expression in radical form; then simplify.
5._______________
6. Simplify
2 5
1 2
x
x
. Write your answer in exponent form.
6._______________
Perform the following operations. Simplify all answers to simplest radical and
/ or fraction form. Assume that all variables represent positive real numbers.
7. 15 6 ⋅
7.______________
8. 3 3 2 4 4 10 y y ⋅
8.______________
9. 2 5
2
20
5
x y
xy
9.______________
10. 43 83 3