Question

A = {1, 2, 5, 7}B = {3, 4, 6, 7}C = {0, 5, 8, 9}

Answer 1

Answer:5555555555555555555

Step-by-step explanation:

Answer 2

A U B = {1, 2, 3, 4, 5, 6, 7}

Step-by-step explanation:

• Step 1: Find A U B. Union of two sets A and B are the set of all elements in set A and set B.

A = {1, 2, 5, 7} and B = {3, 4, 6, 7}

A U B = {1, 2, 3, 4, 5, 6, 7}