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Simplify the expression.

Simplify the expression.-example-1

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Answer:


(x^4)/(y^2)

Explanation:

1) Simplify using the order of operations, or PEMDAS. Whenever an exponent is outside of a set of parentheses, distribute it by multiplying that exponent with each of the exponents of the terms within the parentheses. Thus,
x^2 becomes
x^4 and
y^-^1 becomes
y^-^2.


(x^2y^-^1)^2\\= x^2^(^2^)y^(^-^1^)^(^2^)\\= x^4y^-^2

2) Notice that there is a negative exponent, which means we can still simplify further. Whenever there is term with a negative exponent, write the term as its reciprocal (picture it as a fraction, but switch the denominator for the numerator and vice versa) and get rid of the negative sign on the exponent. Then, multiply.


x^4y^-^2\\= x^4 ((1)/(y^2)) \\= (x^4)/(y^2)

User Daniel Bo
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