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Re: If a rectangular room measures 10 meters by 6 meters by 4 [#permalink]

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12 Apr 2015, 18:10

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This question has a great Number Property 'shortcut' built into it; when combined with the answer choices, you can avoid almost all of the 'math' in this question.

We're told that the dimensions of a rectangular room are 10 meters by 6 meters by 4 meters. We're asked for the volume of the room in cubic CENTIMETERS? (1 meter=100 centimeters).

Converting the dimensions from meters to centimeters is pretty straight-forward - we just have to multiply each number by 100:

10 meters by 6 meters by 4 meters becomes...

1000 cm by 600 cm by 400 cm

Notice that these three numbers include 7 zeroes. When we multiply them together, the correct answer MUST have at AT LEAST 7 zeroes. Looking at the answer choices, there's only one answer that fits:

Version 8.1 of the WordPress for Android app is now available, with some great enhancements to publishing: background media uploading. Adding images to a post or page? Now...

“Keep your head down, and work hard. Don’t attract any attention. You should be grateful to be here.” Why do we keep quiet? Being an immigrant is a constant...