Gmat Quant Guide: Question 45- Arithmetic basic question,

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by MBA.Aspirant » Sat Jun 25, 2011 10:02 am
I took .072 and made it 72 * 10^3
took .54 and made it 54 *10^2

0.072 = 72 * 10^-3

0.54 = 54 * 10^-2