C.
Step-by-step explanation:
Concepts Used:
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
nope
step-by-step explanation:
6 hours 48 min
68÷5=13.6
13.6×30=408min=6 hours 48 min.
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