Find the number that satisfies all of the following conditions:
A two-digit number,
A perfect square,
A power of 3,
The digit product < 10
Math - MathMate, Wednesday, August 15, 2012 at 8:04pm
For a square to be a power of three, the original number itself must be a power of 3, namely 3, 9, 27, etc.
Which of the squares of these numbers satisfies all of the above conditions?
Math - Sammyjoo, Wednesday, August 15, 2012 at 11:37pm
Is the answer 81?
Math - MathMate, Thursday, August 16, 2012 at 3:25pm
Correct! Well done!
Math - Sammyjoo, Thursday, August 16, 2012 at 9:33pm
Math :) - MathMate, Thursday, August 16, 2012 at 9:43pm
You're welcome! :)