Solved: Suppose a is an integer. If a mod 7 = 4, what is 5a mod 7 In other words, if
Chapter 4, Problem 20(choose chapter or problem)
Suppose a is an integer. If a mod 7 = 4, what is 5a mod 7? In other words, if division of a by 7 gives a remainder of 4, what is the remainder when 5a is divided by 7?
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