Question

Find all replacements (less than the modulus. for the question mark that make the statement true. 6 - 1 ≡ ? (mod 7)

A. 6

B. 0

C. 5

D. 2

Answer 1

5 mod 7

Answer 2

when you apply a modulus operator, you are dividing and getting the remainder. whenb you say mod, you are looking only for the remainder of the division

Answer 3

so the answer is 5

Answer 4

5/7 = 0 with remainder of 5