Question: Consider the set {4,8,12,16}. Show that this set is a group under multiplication mod 20 by constructing its Cayley table and providing an explanation. What

Consider the set {4,8,12,16}. Show that this set is a group under multiplication mod 20 by constructing its Cayley table and providing an explanation. What is the identity elemeny? Is the group cyclic? If so, provide all generators.

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