To convert the mixed number \(5 \frac{18}{25}\) to a decimal, first convert the fraction \( \frac{18}{25} \) to a decimal.
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Divide 18 by 25: \[ 18 \div 25 = 0.72 \]
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Now add this decimal to the whole number part (5): \[ 5 + 0.72 = 5.72 \]
So, \(5 \frac{18}{25}\) as a decimal is \(5.72\).
The correct answer is 5.72.