An expression is defined as a set of numbers, variables, and mathematical operations. The given expressions can be solved as shown below.
What is an Expression?
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context. 
The given expressions can be solved as,
A.)  5³ · 5⁻⁴
      = 5⁻¹
The value will lie between 0 and 1.
B.) 3⁵/3⁻⁶
     = 3⁵ · 3⁶
     = 3¹¹
The value will not lie between 0 and 1.
C.) (1/4)³ · (1/4)²
     = (1/4)⁵
     = 4⁻⁵
The value will lie between 0 and 1.
D.) (-7)⁵/(-7)⁷
      = (-7)⁵ · (-7)⁻⁷
      = (-7)⁻²
The value will lie between 0 and 1.
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