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Mathematics 21 Online
OpenStudy (anonymous):

Evaluate. https://clackamasweb.owschools.com/media/g_ima01_2014/2/244.gif -9 3 -3

OpenStudy (diamondboy):

do u have a calc?

OpenStudy (anonymous):

what do you do first?

OpenStudy (diamondboy):

calculator?

OpenStudy (anonymous):

u don't really need a cal for this

OpenStudy (anonymous):

it's pretty easy.

OpenStudy (diamondboy):

well what if u don't know the sqr root of 81?

OpenStudy (amorfide):

root 81 is 9 cube root -27 is -3 cube root 729 is 9 sub these numbers in and just add up to get -3

OpenStudy (anonymous):

(said a seventh grader)

OpenStudy (anonymous):

so i was right:) thnx @amorfide

OpenStudy (amorfide):

yeah no calc necessary

OpenStudy (anonymous):

oh and next time if you just need to check your answer add check my answer in the question

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