How do you simplify #(9xy^7)^2#?

Answer 1

#(9xy^7)^2= 81 x^2y^14#

Squaring a number or expression means multiplying it by itself.

#(9xy^7)^2 = (9xy^7) xx (9xy^7)#
#= 81 x^2y^14#
In the same way #(9xy^7)^3 = (9xy^7)xx(9xy^7)xx(9xy^7)#

A common error is to multiply by 2.

#(9xy^7) xx 2 = 18xy^7# which gives a completely different result.
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Answer 2

To simplify (9xy^7)^2, you expand the expression by squaring each term inside the parentheses: (9xy^7)^2 = 9^2 * x^2 * (y^7)^2. Simplifying further, you get: 81x^2y^14.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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