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To form a 7-digit number using the digits 1, 2, 3, 4, and 8, we can use any of the five digits for each of the seven positions. Since repetition of digits is allowed, the total number of 7-digit numbers is calculated as (5^7). Thus, (5^7 = 78125). Therefore, there are 78,125 possible 7-digit numbers.
What else can I help you with?
How many 5 digits numbers can be formed using digits?
99999
What number is 900 less than can be formed using all the digits?
There are 3,265,920 numbers that can be formed using all the digits. The answer to the question will depend on which one of these.
How many numbers can be formed using the digits 37 and 9 without repetition?
15 of them.
How many 3-digit numbers can be formed using the digits 1 2 3?
27
How many 2-digit numbers can be formed using the digits 1 3 7 if repetition of digits is allowed?
Possible solutions - using your rules are:- 11,13,17,31,33,37,71,73 &77
How many 5 digits numbers can be formed using digits?
99999
What number is 900 less than can be formed using all the digits?
There are 3,265,920 numbers that can be formed using all the digits. The answer to the question will depend on which one of these.
How many 6 digit numbers can be formed using the digits 123456789?
There are 60480 numbers.
How many six digits numbers can be formed using 1234?
There are 4^6 = 4096 such numbers.
How many three digits numbers can be formed using 3 and 7?
8.
How many four digits numbers can be formed using 0578?
If the digits are all different then 18. Otherwise, 192.
How many numbers can be formed using the digits 37 and 9 without repetition?
15 of them.
How many 3-digit numbers can be formed using the digits 1 2 3?
27
How many 2-digit numbers can be formed using the digits 1 3 7 if repetition of digits is allowed?
Possible solutions - using your rules are:- 11,13,17,31,33,37,71,73 &77
How many 4-digit numbers can be formed by the digits 1 1 2 2 using the digits more than once?
6
How many 5 digits can be formed using the digits 0 2 3 4 5 when repetition is allowed that the number formed is divisible by 2 and 5 or both?
There are 2000 such numbers.
How many three digit numbers can be formed using 01234?
48 of them if digits may not be repeated. 100 if they can.
