Question: (4 pts) How many different tests can be made from a test bank of 20 questions if the test consists of 5 questions? (6 pts)

(4 pts) How many different tests can be made from a

(4 pts) How many different tests can be made from a test bank of 20 questions if the test consists of 5 questions? (6 pts) How many 5-digit zip codes are possible (from 0, . .., 9) i. if digit can be repeated? ii. If digit cannot be repeated

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