1- An automobile manufacturer has four colors available for automobile exteriors and three for interiors. How...

1- An automobile manufacturer has four colors available for automobile exteriors and three for interiors. How many different color combinations can he produce?

2- In a digital computer, a bit is one of the integers {0,1}, and a word is any string of 32 bits. How many different words are possible?

3- There are three different routes connecting city A to city B. How many ways can a round trip be made from A to B and back? How many ways if it is desired to take a different route on the way back?

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