3 years ago

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

Mathematics

2 answers:

Sholpan [36]3 years ago

6 0

Answer:

15.625

Step-by-step explanation:

egoroff_w [7]3 years ago

3 0

Answer:

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

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