Given the following expressions:

A.
5
3
⋅
5
−
4

B.
3
5
3
−
6

C.
(
1
4
)
3
⋅
(
1
4
)
2

D.
(
−
7
)
5
(
−
7
)
7

Part 1: Use operations of exponents to simplify each expression (A-D). Include your work in your final answer.

Part 2: For each simplified expression (A-D), tell whether or not the expression has a value between 0 and 1.