a. (-5)⁴ × 125 ‐³ solve it with explanation
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Answer:
(-5)⁴ × ((5)^3)^-3
= (5)⁴ × (5)^(3×-3)
= (5)⁴ × 5^-9
= 5^(4-9)
= 5^-5
= 1/15625
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