Answer:
the answer would be exactly 63
Step-by-step explanation: no explanation need
Factors of 27 are 1, 3, 9, 27.
She can make 5 rectangular prisms os sizes 1 x 1 x 27 or 1 x 3 x 9 or 1 x 9 x 3 or 3 x 3 x 3 or 3 x 9 x 1
The first two. In fact, you have

and
is irrational.
Similarly,
is irrational, and the same goes for
.
Instead, the square root and the second power simplify in the third option:

and similarly,
