20.What is the value of n such that (24  is congruent to 58 mod n) ? a.13 b.17 c.-34 d.-13

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 59RE
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20.What is the value of n such that (24  is congruent to 58 mod n) ?
a.13
b.17
c.-34
d.-13

21.The least positive residue or remainder of 12^20 (mod 25) is
a.8
b.2
c.7
d.3

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