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January 29, 2015

January 29, 2015

Posted by **Dawn** on Tuesday, October 5, 2010 at 3:31pm.

The square root of 4?

( I don't know how to do the sign on the computer)

- Math -
**bobpursley**, Tuesday, October 5, 2010 at 3:45pmwell, 2^2 is 4, so the sqrt4= + or - 2

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