Homework Help: math

Posted by tabitha on Monday, March 15, 2010 at 11:04pm.

how do you make four 8s into 640??

math - i dont know if this helps..., Monday, March 15, 2010 at 11:16pm
does it have to be four?
8 * 8 * 10 = 640
math (4 8s?) - PsyDAG, Tuesday, March 16, 2010 at 11:30am
I don't know if you can use the ten.

8/8 * 8 * 8 * 10 = 640

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