1.Jessica's class schedule for next semester must consist of exactly one class from each of the four categories shown in the table.

Category

Number of Choices

Economics

2

Mathematics

4

Education

4

Sociology

3

All sections for the 3 most popular classes in Mathematics are full. The rest of the courses are available. Determine the number of different sets of classes Jessica can take.

Jessica has ______different sets of classes to choose from.

2.Don has nine pairs ofshoes, three pairs ofpants, and nine shirts. If all items arecompatible, how many different outfits can hewear?

_____ outfits

(Typea wholenumber.)

3.Tonya's ZIP code is 14930

How many zip codes altogether could beformed, each one using those same fivedigits?

_______zip codes

(Typea wholenumber.)

4.Until1995, the rules forthree-digit area codes in the United States were asfollows:

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The first digit could not be 0 or 1.

bullet

The second digit had to be 0 or 1.

bullet

The third digit had no such restrictions.

In1995, the restriction on the second digit of area codes was removed. How many area codes are possible after the restriction isremoved?

_______area codes

(Typea wholenumber.)

5.Arne, Bob, Chuck, Deirdre, Ed, Fran, Greg, and Heather have reserved eight seats in a row at thetheater, starting at an aisle seat. In how many ways can they arrangethemselves?

_____ways

(Typea wholenumber.)