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Every US citizen is assigned a social security number. This is a ten-digit number unique to each citizen. The first three digits of the number
Every US citizen is assigned a social security number. This is a ten-digit number unique to each citizen. The first three digits of the number are used as to identify the area in which your number was first assigned. If there are 10 possible digits, how many different area numbers can there be? First, we will decide if this is a permutation or combination problem. Select the two options below that indicate which type of problem this is. Select all that apply: This is a permutation problem. We are listing the possibilities and order does matter. This is a combination problem. We are grouping possibilities and order does matter. To solve this problem, we will group certain digits so order will not matter. To solve this problem, we want to list digits to indicate specific areas so order will matter
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