1. Start with Part A. What expression represents the total distance Michael runs per week with his original workout plan?

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   4 \times 2 + 3

2. To evaluate this expression, which operation should you perform first?

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   Multiplication.

3. What is the total distance Michael runs per week with his original workout plan? 

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   11 miles.

4. Recall that the expression
   4 \times 2 represents the total distance he ran for the first 4 days of the week. How would you write an expression with parentheses that represents double this distance?

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   2(4 \times 2)

5. What expression represents the total distance he will run each week on his new plan? 

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   2(4 \times 2) + 3

6. What should you do first to evaluate this expression? 

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   Multiply the terms within the parentheses.

7. Now that you have simplified your expression to 2(8) + 3, which operation should you perform next?

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   Multiply 2 by 8.

8. How many miles will Michael run per week with his new workout plan? 

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   19 miles.

9. Now look at Part B. What multiplication sentence represents how much Margot plans to run in the second phase of her workout plan?

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   10 \times 10

10. How can you rewrite 10 \times 10 as an exponential  expression?

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    10²

11. In any exponential expression, what does the exponent represent and what does the base represent?

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    The exponent tells you how many times you multiply the base by itself. 

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