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vova2212 [387]
2 years ago
9

Which expression is equivalent to \frac{r^9}{r^3}

Mathematics
2 answers:
Aleksandr [31]2 years ago
5 0

Hii!

___________________________________________________________

\rightsquigarrow\circ\boldsymbol{Answer}\circ\leftharpoonup

r^6

\rightsquigarrow\circ\boldsymbol{Explanation}\circ\leftharpoonup

To simplify this we need to use the division property of exponents:

\large\boxed{\mathtt{\frac{x^m}{x^n} =x^{m-n}}}. So if we divide two numbers with the same base, we subtract their exponents.

Let's apply this rule here.

\twoheadrightarrow\sf r^9\div r^3.

\bullet <em>Since these two numbers have the same base, we subtract their exponents</em>

<em />\twoheadrightarrow\sf r^6

\bullet <em>Great job! We found the answer</em>

--

Hope that this helped! Best wishes.

\textsl{Reach far. Aim high. Dream big.}\\\boldsymbol{-Greetings!-}

--

dsp732 years ago
4 0

Answer: \frac{r^9}{r^3} = r^{9-3} = r^6

We subtract the exponents when dividing terms with the same base.

The general rule is \frac{a^b}{a^c} = a^{b-c}

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