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Can someone help? This is from Kahn Academy

Can someone help? This is from Kahn Academy-example-1

1 Answer

2 votes

Answer:

B.
\frac{ {7}^(36) }{ {9}^(24) }

Explanation:


\bigg( {9}^(6) . {7}^( - 9) \bigg ) ^( - 4) \\ \\ = {9}^(6 * ( - 4)) * {7}^( - 9 * ( - 4)) \\ \\ = {9}^( - 24) * {7}^(36) \\ \\ = \frac{ {7}^(36) }{ {9}^(24) } \\

User Zack Dawood
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