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Hi guys im stuck on this maths question (2/5)^-3
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8 votes
8 votes
Hi guys im stuck on this maths question

(2/5)^-3

User Isbister
by
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2 Answers

11 votes
11 votes

Answer:

15.625

Explanation:

User Denis Sheremet
by
2.7k points
23 votes
23 votes

Answer:


((2)/(5) ) {}^( - 3) \\ = ((a)/(b) ) {}^( - x) = ((b)/(a) ) {}^(x) \\ so \: \: \: \: \: \: ((2)/(5) ) {}^( - 3) \\ = ((5)/(2) ) {}^(3) \\ = \frac{5 {}^(3) }{2 {}^(3) } \\ \: = \: (125)/(8)

User Vinod VT
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2.7k points
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