Posted by **Sammyjoo** on Wednesday, August 15, 2012 at 6:38pm.

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?

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**Sammyjoo**, Wednesday, August 15, 2012 at 11:37pm
Is the answer 81?

- Math -
**MathMate**, Thursday, August 16, 2012 at 3:25pm
Correct! Well done!

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**Sammyjoo**, Thursday, August 16, 2012 at 9:33pm
Thanks,,,

- Math :) -
**MathMate**, Thursday, August 16, 2012 at 9:43pm
You're welcome! :)

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