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Mathematics 21 Online
OpenStudy (anonymous):

Simplify the expression. (2)^-2

OpenStudy (anonymous):

.25

OpenStudy (anonymous):

i got that but the answer choices are -4, 4,1/4 or -1/4

OpenStudy (anonymous):

.25 is equal to 1/4

OpenStudy (unklerhaukus):

x^-n = 1/x^n

OpenStudy (anonymous):

|dw:1396276729052:dw| => |dw:1396276793790:dw|

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