3 years ago

Express (picture) in a radical form. please show how you go to the answer, thanks!

Mathematics

1 answer:

mamaluj [8]3 years ago

7 0

The 2 in the 2/5 indicates the exponent and the 5 is the root so the ansewer is

5√ b^2

Its A

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Step-by-step explanation:

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Fantom [35]

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$\bigg( \huge{\frac{ {3}^{2}a ^{ - 2} }{3 {a}^{ - 1} }} \bigg)^{k} \\ \\ = \bigg( \huge{\frac{ 9a }{3 {a}^{ 2} }} \bigg)^{k} \\ \\ = \bigg( \huge{\frac{ 3 }{ {a}}} \bigg)^{k} \\ \\ = \bigg( \huge{\frac{ 3 }{ {5}}} \bigg)^{ - 2} \\ \\ = \bigg( \huge{\frac{ 5 }{ {3}}} \bigg)^{ 2} \\ \\ = \huge{\frac{ 25 }{ {9}}}$