1. ## Fractional Exponents

Let's say we have:

57^1/3

my teacher said

x^a/b = the bth root of x, to the ath.

So in this case it would be = the 3rd root of 57 to the 1st power.

How do I find the 3rd root of 57?

2. Originally Posted by jenna1012
Let's say we have:

57^1/3

my teacher said

x^a/b = the bth root of x, to the ath.

So in this case it would be = the 3rd root of 57 to the 1st power.

How do I find the 3rd root of 57?
Since 57 is equal to 3*19, you can use calculator.