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Question

asked Jan 23, 2024 108k views

1 Answer

Christian Eric Paran · Answer 1 · 2024-01-29T04:52:50+0000

Answer:

The value of r will be

$r {}^(17)$

Explanation:

Greetings!!!!

The given expression

$\frac{(r {}^(4) ) {}^(5) }{r{}^(3) }$

simplify

$(r {}^(4) ) {}^(5) = r{}^(20)$

Apply exponent rule

$\frac{(x) {}^(a) }{(x) {}^(b) } = x {}^(a - b)$

Thus,

$= r {}^(20 - 3)$

subtract the numbers: 20-3= 17

$= r {}^(17)$

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Hope it helps!!!