Question

What is $(25 \frac{1}{2})^2$?

• A. $625\frac14$
• B. $626\frac14$
• C. $637\frac14$
• D. $650\frac14$

Answer 1

Answer:

$650\frac14$

$(25\frac12)^2$

$=(\frac{25\times2+1}{2})^2$

$=(\frac{51}{2})^2$

$=\frac{2601}{4}$

$=650\frac14$