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cm & mm

by crackgmat007 » Tue May 05, 2009 9:35 am
B. If the volume of a small container is 14,520 cubic millimeters, what is the volume of the
container in cubic centimeters?
(1 millimeter = 0.1 centimeter)
A. 0.1452
B. 1.452
C. 14.52
D. 145.2
E. 1,452

OA - C
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by stevestein » Tue May 05, 2009 10:46 am
In this case, one basic question that we need to answer is this: How many cubic millimeters are there in one cubic centimeter?

Let's picture one cubic centimeter:
It is a cube that is 1 cm x 1 cm x 1 cm.

Since 1 cm = 10 mm, the cube's dimensions could also be characterized as 10mm x 10mm x 10mm.

Therefore: 1 cubic centimeter = 1000 cubic millimeters.

If the container has a volume 14,520 cubic millimeters, this volume is also equal to 14520/1000 cubic centimeters, which equals 14.52 cubic centimeters, so the correct answer choice is (C).
Steve Stein
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