Posted by **Lea** on Sunday, September 6, 2009 at 2:09pm.

1. evaluate exactly square root 100- square root64 = 10- 8 = 2 is this correct?

2. evaluate the expression |-5 +3|= 2 is this correct?

3. evaluate the expression. (-6)^2 -(16/2)= (-6)^2= 36 is this correct? thank you

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