Your calculations are correct.cpay3245 wrote:(-3)^-2
= (-3^-1)^2
=(1/-3)^2
=(1/9)
??
(-3)^(-2) = 1/9
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Source: Beat The GMAT — Problem Solving |
(-3)^(-2) = 1/9
Anju Agarwal
Quant Expert, Gurome
Backup Methods : General guide on plugging, estimation etc.
Wavy Curve Method : Solving complex inequalities in a matter of seconds.
§ GMAT with Gurome § Admissions with Gurome § Career Advising with Gurome §
Quant Expert, Gurome
Backup Methods : General guide on plugging, estimation etc.
Wavy Curve Method : Solving complex inequalities in a matter of seconds.
§ GMAT with Gurome § Admissions with Gurome § Career Advising with Gurome §
