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Lera25 [3.4K]
3 years ago
6

Simplify the expression.

Mathematics
2 answers:
Vikki [24]3 years ago
8 0

The third one I guess

zhuklara [117]3 years ago
5 0

Answer:

9x^8y^{12}

Step-by-step explanation:

The expression is:

(3xy^3)^2(xy)^6

we use the following rule to simplify the expression:

(a^m)^n=a^{m*m}

that is, we multiply the exponent inside the parentheses by the exponent outside the parentheses (also using x=x^1):

3^2x^{1*2}y^{3*2}x^{1*6}y^{1*6}

and we simplify the exponents and substitute 3^2=9:

9x^2y^6x^6y^6

We have not finished simplifying yet, since we have that x and y are repeated we must use the following law of exponents:

a^ma^n=a^{m+n}

We add the exponents that each variable has.

thus, the expression becomes:

9x^{2+6}y^{6+6}

and we simplify the exponents:

9x^8y^{12}

which is the fourth option

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