Source: Official Guide for GMAT Review 2016 Data Sufficiency ; #41
AMURE ADENIYI BOLAJI COLLINS
is (0.1)^n > (10)^n?
(0.1)^n = 1/(10)^n is 1/(10)^n > (10)^n ? is 1 > (10)^n * (10)^n? = is 1 > (10)^n+n ? = is 1 > 10^2n? if n is positive, no if n is negative, yes
(1) n > - 10, here n = both negative and positive values, not sufficient (2) n < 10 = same as (1), not sufficient
(1) & (2) same as above, then (E)
Nov 14, 2016 • Comment
Sam Kinsman
That's correct Amure, good job! :D
Nov 15, 2016 • Reply
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