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1.
Given that 6 ⊗ 7 = y (modulo 8), find the value of y.
2
5
4
3
⊗ means multiplication
6 x 7 = 42
42 ÷ 8 = 5 remainder 2 (42 = 5 x 8 + 2)
The remainder is the modulo, hence 42 modulo 8 is 2.
∴ y = 2
