The following diagram gives some examples of evaluating expressions with exponents. In many other expressions that use exponents, the part with an exponent is intended to be evaluated first. When computing the surface area, we evaluate 4 2 first (or find the area of one face of the cube first) and then multiply the result by 6. 4 2 represented the surface area of a cube with side length 4 units.Otherwise some people might multiply first and others compute the exponent first, and different people would get different values for the same expression! 4 2, we want to make sure everyone agrees about how to evaluate this.Illustrative Math Unit 6.6, Lesson 14 (printable worksheets) Lesson 14 SummaryĮxponents give us a new way to describe operations with numbers, so we need to understand how exponents get along with the other operations we know. Let’s find the values of expressions with exponents. Grade 6 Lesson 14: Evaluating Expressions with Exponents
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