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Question

asked Apr 1, 2023 213k views

1 Answer

Jerome Ansia · Answer 1 · 2023-04-04T23:27:38+0000

Explanation:

Greetings !

simplify for variable y first

apply exponent rule

$a {}^(b) .a {}^(c) = a {}^(b +c \\ ) \\ y {}^( - 8)y {}^(5) = y {}^( - 8 + 3)$

Add/subtract the numbers -8+3=5

$= y {}^(5)$

Apply exponent rule

$a {}^( - b) = \frac{1}{a {}^(b) }$

Thus,

$y {}^( - 5) = \frac{1}{y {}^(5) }$

secondly, simplify for the variable x

Apply exponent rule as we made on y

$x {}^( - 2)$

$x {}^( - 2) = \frac{1}{x {}^(2) }$

multiply bot the values we get

Hope it helps!