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OpenStudy (anonymous):
A rectangular prism has a volume of eight hundred ten cubic millimeters. If it has a height of 9 millimeters, what's the area of its base? 10 mm.2 90 mm.2 729 mm.2 7,290 mm.2
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OpenStudy (dmb1215):
B becaus 9 times 9 is 81 add the 0 then it is 810
OpenStudy (anonymous):
So it is 90 mm.2
OpenStudy (dmb1215):
yep
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