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July 28, 2014

Homework Help: MATH PLEASEEEEE

Posted by Kennedy on Sunday, January 18, 2009 at 6:03pm.

A)If a license plate consists of 2 letters followed by 3 digits or 3 letters followed by 2 digits, how many license plates can be created?

B)You are given an exam with only 9 questions. if each question has 4 choices, howmany different possible answers can you have for the entire exam?

C)If you have 20 students in your class, how many different ways can a committee of 5 be chosen if 1 person on the committee will be the president?

E) 25 people run a marathon. The first 6 people to finish will receive an award for their finish position. How many ways can the awards be given?

F) How many distinct arrangements of the letters in the word UNUSUAL can be made?

G) How many 4- letter words can be fromed by slection four letters from the word UNIFORM?

i know that you use ncr and ncp, but i don't understand can someone please show work! thanks for your time yoo

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