Source: Official Guide for GMAT Review 2016 Problem Solving; #85

1

4.8 x 10^9 is closest in value to

4.8 x 10^9 is closest in value to

1 Explanation

1

Jeffrey Braganza

4.8*10^9 = 48*10^8 =approx(49*10^8)
square root of 49*10^8 = 7*10^4 = 70000.

Jan 2, 2016 • Comment

Cydney Seigerman, Magoosh Tutor

Thanks for sharing your solution! Good job :)

Jan 3, 2016 • Reply

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Official Guide for GMAT Review 2016

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Section 5.3 Problem Solving

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