Scolder2000 Scolder2000

19-09-2014
Mathematics

Answered

Which value of b solves the equation?

b^-3 = 1/27

A. 81
B. 3
C. 9
D. 27

Please Explain the answer :)

Answer :

19-09-2014

B^-3=
1/b^3 this way you get rid of that scary negative
you then need a value to give you 27 on the bottom which would be 3 or B

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