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creativ13 [48]
2 years ago
15

Customer account “numbers” for a certain company consists of 2 letters followed by 2 single-digit numbers. How many different ac

count numbers are possible if repetition of letters and digits are allowed?
Mathematics
1 answer:
julia-pushkina [17]2 years ago
8 0

Answer:

  • 67600

Step-by-step explanation:

<u>Let the format be:</u>

  • LLDD- where L stands for letter and D- digit

For each L we have 26 (English alphabet) and for each D we have 10 options.

<u>Number of possible accounts:</u>

  • 26*26*10*10 = 67600
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