Question: Definition 1 Point Grading comment: If x a ( m o d m ) xa(modm), then x = a k m x=a km for some

Definition 1 Point Grading comment: If x a ( m o d m ) xa(modm), then x = a k m x=a km for some k Z kZ. Choice 1 of 2:True Choice 2 of 2:False Q1.2 Multiplication 1 Point Grading comment: If x 4 ( m o d 6 ) x4(mod6) and y 4 (mod 6) y4 (mod 6), what is x y ( m o d 6 ) ? xy(mod6)? Choice 1 of 6:0 Choice 2 of 6:1 Choice 3 of 6:2 Choice 4 of 6:3 Choice 5 of 6:4 Choice 6 of 6:5 Q1.3 Exponentiation 1 Point Grading comment: What is 8 70 ( m o d 7 ) ? 8 70 (mod7)? Choice 1 of 7:0 Choice 2 of 7:1 Choice 3 of 7:2 Choice 4 of 7:3 Choice 5 of 7:4 Choice 6 of 7:5 Choice 7 of 7:6 Q2 Multiplicative inverses 3 Points Grading comment: Indicate whether following are multiplicative inverses of 2 ( m o d 7 ) 2(mod7). Q2.1

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