Which equation is equivalent to 81^1/3

A

Step-by-step explanation:

The expression has a fractional exponent. Fractional exponents represent radical expressions. The base of the fraction is the index of the radical while the the numerator is the exponent of the base.

However, this can be simplified further using radical rules: 81 = 3*3*3*3. So, the expression becomes:

5 feet of chain cost $9

so the answer is 1.80