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9 x 9 x 8 x 7 = 4,536
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∙ 12y ago
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How many 3 digit numbers can be created if no digit can be repeated?
720 (10*9*8)
How many 7 digit phone numbers can be formed if all the numbers can be repeated?
823543
How many four digit numbers are possible from the digit 0'1'2'3'4 numbers may be repeated?
625 if numbers can have leading 0s, 500 otherwise.
How many two-digit numbers in base ten can be formed if the tens digit cannot be 0 and no digit can be repeated?
81
How many different 6 digit serial numbers are available if no digit can be repeated?
9x9x8x7x6x5 = 81x56x30 = 136080
How many three digit numbers have no repeated digits?
757
How many 3 digit numbers can be created if no digit can be repeated?
720 (10*9*8)
How many 7 digit phone numbers can be formed if all the numbers can be repeated?
823543
How many four digit numbers are possible from the digit 0'1'2'3'4 numbers may be repeated?
625 if numbers can have leading 0s, 500 otherwise.
How many 8-digit numbers have no repeated digits?
9x9x8x7x6x5x4x3 =1632960
How many 6 digits numbers can be formed from the digit 01357 and 9 which are divisible by 10 and no digit is repeated?
There are 5! = 120 such numbers.
How many two-digit numbers in base ten can be formed if the tens digit cannot be 0 and no digit can be repeated?
81
How many different 6 digit serial numbers are available if no digit can be repeated?
9x9x8x7x6x5 = 81x56x30 = 136080
How many possible 3 digit numbers can be made using the digits 604?
There are 4 possible numbers if the digits are not repeated; 18 if they are. Those are 3-digit numbers, assuming that zero would not be a leading digit. If zero is allowed for a leading digit, then you can have 6 for the non repeated, and 27 if repetition.
How many 5 digit numbers can be made from the numbers 0 1 2 if digits can be repeated?
162
How many 3 digit numbers can be formed from the digits 357 with any digit repeated?
27 three digit numbers from the digits 3, 5, 7 including repetitions.
How many 6-digit numbers are there if no digit is repeated?
There are a handful of six digit numbers that have no numbers repeating. Some examples are 123456, 234567, 345678, 456789, 567012, 654321, 765432, 876543, and 987654.
