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notka56 [123]
3 years ago
15

NEED HELP ASAP!

Mathematics
1 answer:
m_a_m_a [10]3 years ago
3 0

A.\ \dfrac{15^x}{3^x}=\left(\dfrac{15}{3}\right)^x=(5)^x=5^x\\\\Used\ \left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}\\\\D.\ \left(\dfrac{15}{3}\right)^x=(5^x)=5^x\\\\E.\ 5\cdot5^{x-1}=5^1\cdot5^{x-1}=5^{1+x-1}=5^x\\\\Used\ a^n\cdot a^m=a^{n+m}\\\\Answer:\ A,\ D\ and\ E.

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