In a fractional exponent, the numerator of the fraction is the exponent and is under the square root symbol. Likewise, the denominator is the root that is being taken. A lot of the time, questions on the SAT math section will include a number to substitute for the variable. If you are given numbers in some cases, it may be necessary to deal with fractional exponents.

 

Frational Exponent Tips

 

When dealing with fractional exponents, it is important to remember that they often contain perfect squares so that everything will work out evenly. However, this is not always the case. While the numbers may seem messier to some, it is just a matter of following simple rules to get the correct answer.