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How many 3 digit can you write using digits 0-9 without repeating?
648
How many times can 6 go into 648?
To find out how many times 6 can go into 648, you divide 648 by 6. When you perform the division, 648 ÷ 6 equals 108. Therefore, 6 can go into 648 a total of 108 times.
How many 3 digit numbers can be prepaired with no number repeated with the numbers 0123456789?
-- The first digit can be any one of nine. (It can't be zero).-- The second digit can be any one of nine. (Anything except the one you used for the first digit.)-- The third digit can be any one of eight. (Anything except the two already used.)Total possibilities = (9 x 9 x 8) = 648
How many times does 2 go into 648?
To determine how many times 2 goes into 648, you would perform the division 648 ÷ 2. The result is 324, meaning that 2 goes into 648 a total of 324 times.
How many 3 digit numbers have at least one repeated digit?
There are a total of 900 3-digt numbers (100 thru 999); Of these there are 9x9x8 = 648 numbers that do not contain repeating digits (first position: 9 possibilities, second place 9 possibilities; the 10 digits minus the one used in the first place. and third place 8 possibilities; 10 digits minus the two used in the first and second places) So, there should be 900-648=252 3-digit numbers with at least one repeating digit.
