Question

In: Advanced Math

1. Compute the product in the given ring. a) (16)(12) in Z24 b) (-4)(11) in Z5...

1. Compute the product in the given ring.

a) (16)(12) in Z24

b) (-4)(11) in Z5

c) (2,4)(4,7) in Z5 x Z9

2. Describe all units in the given ring.

a) Z7

b) Z8

c) Z x Z x Q

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