C.
Step-by-step explanation:
Concepts Used:
ExponentsThe rule of Negative exponentsPower of a Product Rule
Simplifying the given expression:
We are given the expression:
According to the rule of negative exponents, 45⁻³ = 1/45³
According to the Power of a Product rule: aⁿ X aᵇ = aⁿ⁺ᵇ
Using the Power rule to further simplify our expression:
Hence, Option C is correct