In how many ways can the digits of $45,\!520$ be arranged to form a 5-digit number?  (Remember, numbers cannot begin with 0.)
Question:
In how many ways can the digits of $45,\!520$ be arranged to form a 5-digit number?  (Remember, numbers cannot begin with 0.)
Answer:
Let's think step by step.

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In how many ways can the digits of $45,\!520$ be arranged to form a 5-digit number?  (Remember, numbers cannot begin with 0.)
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