Please explain BB pg 411 question 14.

[Pennaspirant]

<p>How to solve the question with a fast method?</p>

[mcgyver1]

<p>Basically it’s 4!. </p>

<p>But think of it this way, you have 4 possible ways, then one part is taken so 3 possible ways, then 2 possible ways, and 1 way for the last spot.</p>

<p>So 4<em>3</em>2*1 = 24</p>