(-3)^3×(-3)^-7+15^-1
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Step-by-step explanation:
the answer is 32/405
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Answered by
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Step-by-step explanation:
-3³×-3-⁷+15-¹= -3^3-7+15^-1=-3^-4+15^-1=1/81+1/15=35/405
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