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Mathematics 13 Online
OpenStudy (anonymous):

81^1/2 / 3^-1 = A. 9 B. 27 C. 3 D. (81/3)^-1/2

OpenStudy (anonymous):

OpenStudy (anonymous):

81^1/2 is just the square root of 81 and 3^-1 is the same as 1/3

OpenStudy (anonymous):

so basically 9 x 3 which is 27? :)

OpenStudy (anonymous):

there you go nice of you to multiply and not divide :D

OpenStudy (anonymous):

woohoo! :D thanks!!

OpenStudy (anonymous):

common pit fall for alot of student just because they see the divide symbol they divide :D

OpenStudy (anonymous):

yeah I almost did that :o

OpenStudy (anonymous):

here nice recovery :D

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