Learn how to evaluate numbers raised to rational powers. When given a number raised to a rational power, we take the nth root ...

Learn how to deal with Rational Powers or Exponents. Exponents are shorthand for repeated multiplication of the same thing by ...

When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...