5 3
The question wants the answer with a power in it.
5 cubed (to the power of 3)
The expression 5 × 5 × 5 can be written in index form as 5 3 , where 3 is the exponent indicating the number of times the base 5 is multiplied by itself. This equals 125 when computed. Using exponents makes these types of multiplication simpler to express and understand.
;