# Chapter 1 - Whole Numbers - Review Exercises - Page 105: 66

$684 #### Work Step by Step To find the total cost, we multiply the price per earplug by the number of earplugs:$6 x 114 1. Multiply 4 x 6 = 24. Write 4 in the ones place and carry over the 2. 2. Multiply 1 x 6 = 6. Add the 2 carried over: 6 + 2 = 8 3. Multiply 1 x 6 = 6 The answer is 684

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