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Simplify the expression. 3^7/3^5 A. 335 B. 312 C. 1/3^9 D. 9
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d.9
\[\Huge \frac{x^m}{x^n}= x^{m-n}\]
the rule of exponents is that when you divide them, and the base is the same, then you just subtract the exponents, like @Diyadiya just showed.
\[\Large \frac{3^7}{3^5}= 3^{7-5}\] :)
3^7=2187 3^5=243 2187/243=9
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thanks
can you help with another one?
sure,
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