To simplify \( 25^{3/2} \), we can break it down as follows:
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Rewrite \( 25 \) as \( 5^2 \): \[ 25^{3/2} = (5^2)^{3/2} \]
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Use the property of exponents that states \( (a^m)^n = a^{m \cdot n} \): \[ (5^2)^{3/2} = 5^{2 \cdot (3/2)} = 5^3 \]
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Calculate \( 5^3 \): \[ 5^3 = 125 \]
So, the correct simplification of \( 25^{3/2} \) is \( 125 \).
The correct answer from the responses is:
125