# Algebra 2

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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 -

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 -

It's 144

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