Pre-Algebra 30 - Rational Exponents

Exponents can not only be integers and unit fractions. An exponent can be any rational number expressed as the quotient of two integers.

[HainesHunters]

These videos are awesome. Clear, informative, easy to follow and very well put together. This are great for GRE prep!

[matysambe]

umm...wat if u have a negative fractional exponent..
e.g-27^-(2/3)/ 27^-(1/3

[jaybooo]

How come its not a^1/3 instead of a^2/3 ?

[clarianken]

hi! can we use radical sign to represent negative exponents??

[Thecrnick]

at the minut 8:25 I got lost how we came from a2/3 - 1/6 to a4/6 - 1/6 = a3/6

do we multiplie with 2 to have 6 and 4 ore how ?

[bree]

I am trying to figure out questions with negative fractions that have fractional exponents when one number in the fraction is negative. I can't find a video on it anywhere!

[FreddieF]

Is there something like a first root where you have 1√8?

[RussellMinecraft]

So is an irrational power impossible? Or does it just produce an irrational, hard to calculate, answer?

[monsterslayersph]

This video is what I'm looking for!!!! It helped me a lot!..thank you

[RussellMinecraft]

Wait what if you had a complex exponent o.O