How do you simplify $(b^7)^2$ and write it using only positive exponents?

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Answer 1 · 2017-10-24T19:53:56

Use this rule of exponents:

$(x^color(red)(a))^color(blue)(b) = x^(color(red)(a) xx color(blue)(b))$

$(b^color(red)(7))^color(blue)(2) = b^(color(red)(7) xx color(blue)(2)) = b^14$

How do you simplify (b^7)^2(b^7)^2 and write it using only positive exponents?