IssacK317886 IssacK317886

26-10-2022
Mathematics

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Which expressions are equivalent to the one below? Check all that apply. ไ 21% 3x

Which expressions are equivalent to the one below Check all that apply ไ 21 3x class=

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AllysaK45458 AllysaK45458

26-10-2022

we have the expression

[tex]\frac{21^x}{3^{^x}}[/tex]

so

[tex]\begin{gathered} \frac{21^x}{3^x}=\frac{(3*7)^x}{3^x}=7^x \\ \\ \frac{21^{x}}{3^{x}}=(\frac{21}{3})^x \end{gathered}[/tex]

therefore

the answers are

options B, C and D

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