Standard 8.SP.4 Understand that patterns of association can also be seen in bivariate categorical data by displaying frequencies and relative frequencies in a two-way table. Construct and interpret a two-way table summarizing data on two categorical variables collected from the same subjects. Use relative frequencies calculated for rows or columns to describe possible association between the two variables. For example, collect data from students in your class on whether or not they have a curfew on school nights and whether or not they have assigned chores at home. Is there evidence that those who have a curfew also tend to have chores?

**base**is a number or expression being multiplied in an exponent

**exponent**is a number that describes how many times to use the number in a multiplication.

**coefficient**is a number used to multiply a variable.

**negative exponent**expresses that the base is the denominator of a fraction instead of the numerator

**multiplicative property of exponents**says that when you multiply powers with the same base you just have to add the exponents

**division property of exponents**says that when you divide powers with the same base you just have to subtract the exponents

**power of a power property**says that when you raise an exponent to another power, you just have to multiply the exponents

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