Simplify:

(x * y ^ 3 * z ^ 4) ^ 4

А. x * y ^ 3 * z ^ 16

О В. x * y ^ 3 * z ^ 8

C. x ^ 4 * y ^ 12 * z ^ 16

D. x ^ 5 * y ^ 7 * z ^ 8

1 answer

To simplify the expression \( (x \cdot y^3 \cdot z^4)^4 \), we apply the power of a product rule, which states that \( (a \cdot b \cdot c)^n = a^n \cdot b^n \cdot c^n \).

Applying this to our expression:

\[ (x \cdot y^3 \cdot z^4)^4 = x^4 \cdot (y^3)^4 \cdot (z^4)^4 \]

Now, we simplify each term:

  1. For \( x^4 \), it stays as \( x^4 \).
  2. For \( (y^3)^4 \), we use the power rule \( (a^m)^n = a^{m \cdot n} \): \[ (y^3)^4 = y^{3 \cdot 4} = y^{12} \]
  3. For \( (z^4)^4 \): \[ (z^4)^4 = z^{4 \cdot 4} = z^{16} \]

Now we can combine all the parts: \[ (x \cdot y^3 \cdot z^4)^4 = x^4 \cdot y^{12} \cdot z^{16} \]

Therefore, the simplified expression is: \[ C. \quad x^4 \cdot y^{12} \cdot z^{16} \]

So the answer is C. \( x^4 \cdot y^{12} \cdot z^{16} \).

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