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Which value of b solves the equation? b ^-3 = 1/27 A. 81 B. 3 C. 9 D. 27 Please Explain the answer :)

Which value of b solves the equation? b ^-3 = 1/27 A. 81 B. 3 C. 9 D. 27 Please Explain the answer :)
asked 106k views
2 votes
Which value of b solves the equation?

b^-3 = 1/27

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

Please Explain the answer :)

asked
User Lascarayf
by
8.0k points

1 Answer

4 votes
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
answered
User Graham Povey
by
7.8k points
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