# Chapter 2 - Solving Equations - 2-5 Literal Equations and Formulas - Practice and Problem-Solving Exercises: 60

147

#### Work Step by Step

We first follow the instructions to plug 3 in for b and 7 in for c. We then use order of operations, raising 7 to the second power and then multiplying by 3 to get the answer. $b\times c^{2}=3\times 7^{2}=3\times 49=147$

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