Question

Consider this equation:

x^3=27^−1
Identify all of the expressions that are equal to x .
A) cube root of 27^-1
B) -1/3
C)-3
D) 3
E)1/3

Answer 1

A and B are equal to 27^-1

Answer 2

E. Because 27^-1 = 1 because you have to flip the number to get positive fraction (if there is a negative in the exponent) over 21 (1/27), therefore a fraction raised to a power gives you a smaller fraction soooo 1/3^3 gives you a positive 1/27