Solved on Jan 18, 2024

Find the value of 125z3y12125 z^{3} y^{12}.

STEP 1

Assumptions
1. We are given the expression (5zy4)3\left(5 z y^{4}\right)^{3}.
2. We need to simplify the expression by expanding the power over the product inside the parentheses.

STEP 2

Apply the power of a product rule, which states that (abc)n=anbncn(abc)^n = a^n b^n c^n, where aa, bb, and cc are any real numbers and nn is a positive integer.

STEP 3

Identify the base components within the parentheses which are 55, zz, and y4y^4.

STEP 4

Apply the power of a product rule to the expression (5zy4)3\left(5 z y^{4}\right)^{3}.
(5zy4)3=53z3(y4)3\left(5 z y^{4}\right)^{3} = 5^3 z^3 \left(y^4\right)^3

STEP 5

Calculate the power of the numerical coefficient 535^3.
53=5×5×5=1255^3 = 5 \times 5 \times 5 = 125

STEP 6

Apply the power of a power rule to (y4)3\left(y^4\right)^3, which states that (am)n=amn(a^m)^n = a^{mn}.
(y4)3=y4×3\left(y^4\right)^3 = y^{4 \times 3}

STEP 7

Calculate the new exponent for yy.
y4×3=y12y^{4 \times 3} = y^{12}

STEP 8

Combine the results from STEP_5 and STEP_7 with the power of zz.
53z3(y4)3=125z3y125^3 z^3 \left(y^4\right)^3 = 125 z^3 y^{12}

STEP 9

Write the final simplified expression without parentheses.
(5zy4)3=125z3y12\left(5 z y^{4}\right)^{3} = 125 z^3 y^{12}
This is the simplified form of the given expression.

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