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Math

Math Snap

PROBLEM

10
Multiple Choice 1 point
Simplify the exponential expression.
(4x4y7)2(-4x^4y^7)^2
16x8y14-16x^8y^{14}
16x8y1416x^8y^{14}
16x6y916x^6y^9
4x8y14-4x^8y^{14}
Clear my selection

STEP 1

What is this asking?
We need to simplify the expression (4x4y7)2(-4x^4y^7)^2.
Watch out!
Don't forget to square everything inside the parentheses, including the 4-4!
And remember your exponent rules!

STEP 2

1. Distribute the exponent.
2. Simplify the terms.

STEP 3

Alright, let's distribute that exponent of 22 to each term inside the parentheses.
Remember, this means we're multiplying the exponents of each term by 22.
Why? Because raising a power to a power means we multiply the exponents!
It's like saying we have two sets of parentheses multiplied together, each containing 4x4y7-4x^4y^7.

STEP 4

So, we have (4)2(x4)2(y7)2(-4)^2 \cdot (x^4)^2 \cdot (y^7)^2.
See how we applied the exponent to each piece?
This is super important!

STEP 5

Let's simplify each part.
First, (4)2(-4)^2 means 4-4 times 4-4, which gives us a positive 16.
Remember, a negative times a negative is a positive!

STEP 6

Next, (x4)2(x^4)^2.
When we raise a power to a power, we multiply the exponents.
So, 42=84 \cdot 2 = 8, giving us x8x^8.

STEP 7

Finally, (y7)2(y^7)^2.
Again, multiply those exponents: 72=147 \cdot 2 = 14, resulting in y14y^{14}.

STEP 8

Putting it all together, we have 16x8y1416x^8y^{14}.
Boom!

SOLUTION

Our simplified expression is 16x8y1416x^8y^{14}.

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