4Answer:
exact form:

decimal form:
4.2
mixed number form:
4
Step-by-step explanation:
We know that
the fraction that names the same region part of a set or part of a segment is called
Equivalent Fractions
Equivalent Fractions<span> have the same value, even though they may look different.</span>
example
These fractions are really the same:
<span>1/2</span> = <span>2/4</span>= <span>4/8</span>
Because when you multiply or divide both<span> the top and bottom by the same number, the fraction keeps it's value</span>
the answer is
Equivalent Fractions
Maybe I can help you it depends the problem.
Answer
I believe C considering cubic mass