True or False Any whole number is divisible by 3 if and only if the sum of its digits is divisible by 3. 1/x > 0 if and only if x ≥ 0. 2 is a prime if and only if 7 is even.
True or False Any whole number is divisible by 3 if and only if the sum of its digits is divisible by 3. 1/x > 0 if and only if x ≥ 0. 2 is a prime if and only if 7 is even.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 56E
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True or False
- Any whole number is divisible by 3 if and only if the sum of its digits is divisible by 3.
- 1/x > 0 if and only if x ≥ 0.
- 2 is a prime if and only if 7 is even.
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