Homework Help: Algebra 2

Posted by Tom on Monday, April 16, 2012 at 7:35pm.

Abelardo wants to create several different 7-character screen names. He wants to use arrangements of the first 3 letters of his first name(abe, followed by arrangements of 4 digits in 1984, the year of his birth. How many different screen names can he create in this way?

A.72
B.144
C.288
D.576

Algebra 2 - Reiny, Monday, April 16, 2012 at 8:07pm
The 'abe' can be arranged in 3! or 6 ways
the '1984' can be arranged in 4! or 24 ways

number of arrangements = ????

what do you think?
Algebra 2 - Anonymous, Wednesday, April 3, 2013 at 6:08pm
d
Algebra 2 - Algebra 2 student, Wednesday, May 1, 2013 at 8:51pm
It's 144

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