how many number how many number are exactly 4 digit
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9
Step-by-step explanation:
In this situation there are 9,000 four digit numbers. If a four digit number is any string of four characters from 0-9 (so that 0001 and 0000 are four digit numbers) then we can reason as follows. Regardless of what number you chose for the first digit, there are 10 possible choices for the second digit.
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Answered by
0
Answer:9000
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