Answer:
4^2 or 16
Step by step explanation:
4^5 = 4x4x4x4x4
4^3 = 4x4x4
4^5 ÷ 4^3 = 4x4x4x4x4 ÷ 4x4x4 = 4x4
4x4 = 4^2 = 16
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