math
posted by tabitha .
how do you make four 8s into 640??

does it have to be four?
8 * 8 * 10 = 640 
I don't know if you can use the ten.
8/8 * 8 * 8 * 10 = 640
posted by tabitha .
how do you make four 8s into 640??
does it have to be four?
8 * 8 * 10 = 640
I don't know if you can use the ten.
8/8 * 8 * 8 * 10 = 640