Al Gibra wants to attend a meeting of the super-exclusive Mathematical Geniuses Club, but he doesn’t know the secret password that would get him past the bouncer, who looks like a really buff Albert Einstein. Al decided to hide behind some bushes and see if he could figure out the secret admission code. A wild-haired man approached the door. The doorman said, “What is the square root of sixteen?” “Seven,” replied the man, and the bouncer let him in. Al was confused. How could a genius give the wrong answer and still get in? A man in a white lab coat was next. The doorman asked him, “Seven goes into seven hundred how many times?” “Eight,” replied the man, and the doorman let him in. Al was shocked. A woman carrying a tiny computer walked up. The doorman said, “Two plus two.” “Three,” replied the woman,, and the doorman let her in. The meeting was about to start, and Al still didnt know the code. He decided to take a chance and walked up to the door. The doorman said, “Five squared.” Al replied, “Twenty-five.” “Wrong!” yelled the doorman and shooed Al away. What answer should Al have given that would have allowed him admittance in the Mathematical Geniuses Club?