Rational Exponents When an expression has a for a power, the exponent is called a rational exponent. Properties of Rational Exponents Property General Rule Example Product of Powers ⋅ = 113 52∙54=54 Power of a Power () = 2 (31)2 = 3 Power of a Product () = 111 (9)2 =92 ⋅2 ©Edmentum. Permission granted to copy for classroom use.

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.