If a number is divisible by 6, then it is divisible by 2 and 3.  If a number is divisible by 2 and 3, then it is divisible by 6. If a number is divisible by 2 and 4, then it is divisible by 8. If a number is divisible by 8, then it is divisible by 2 and 4. A number is divisible by 8 if, and only if, it is divisible by 2 and by 4.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 22E: License Plate Numbers In a certain state, each automobile license plate number consists of two...
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Classify each of the following statements as true or false.

  1. If a number is divisible by 6, then it is divisible by 2 and 3. 

  2. If a number is divisible by 2 and 3, then it is divisible by 6.

  3. If a number is divisible by 2 and 4, then it is divisible by 8.

  4. If a number is divisible by 8, then it is divisible by 2 and 4.

  5. A number is divisible by 8 if, and only if, it is divisible by 2 and by 4.

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