Simplify [(1/3)^-3-(1/2)^-3÷(1/5)^-2]
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1
Answer:
667/25
Step-by-step explanation:
[(1/3)^-3 - (1/2)^-3 ÷ (1/5)^-2]
= [(3)^3 - (2)^3 ÷ (5)^2]
= [27 - 8 ÷ 25]
= 27 - 8/25
= (675-8) / 25
= 667/25
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