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How many keystrokes are needed to type numbers from 1 to 1000?
There are nine numbers which contain only one digit. There are 90 numbers which contain two digits. There are 900 numbers which contain three digits. There is one number which contains four digits.Therefore, the number of digits is equal to (9x1)+(90x2)+(900x3)+4 = 2893 digits. If this includes spaces, there would be 999 spaces, therefore there would be 3892 keystrokes.
How many 6 digit numbers contain exactly different 4 digits?
There are 22680 numbers, excluding those with leading 0s.
How many 4 digit numbers contain no zeros?
Nine digits, four positions becomes 94 or 6561.
How many digits are there in the numbers 100 - 199?
-99
How many whole numbers have exactly four digits?
how many numbers exactly have 4 digits ? 8900, 8999, 9000, 9999
How many 7 digits telephone numbers are there that begin with 123 and that contain 3 or 7?
Since the numbers begin with 123, they all contain a 3. As a result, they all "contain 3 or 7". So the remaining 4 digits can be any digits and this gives 104 = 10,000 such numbers.
How many digits in a California inmate id number?
California inmate ID numbers contain six digits.
How many three digit numbers contain any odd digits?
874
How many keystrokes are needed to type numbers from 1 to 1000?
There are nine numbers which contain only one digit. There are 90 numbers which contain two digits. There are 900 numbers which contain three digits. There is one number which contains four digits.Therefore, the number of digits is equal to (9x1)+(90x2)+(900x3)+4 = 2893 digits. If this includes spaces, there would be 999 spaces, therefore there would be 3892 keystrokes.
How many numbers are there in a credit card number?
Most credit cards in the United States contain 16 digits broken into four groups of four digits. American Express cards contain 15 digits, however.
How many 6 digit numbers contain exactly different 4 digits?
There are 22680 numbers, excluding those with leading 0s.
How many three-digit numbers contain only the digits 5 and 6?
Six three-digit numbers contain only the digits 5 and 6. This is assuming you mean both the digits of 5 and 6. If not than 8, as it would include 555 and 666. 556, 565, 566, 655, 656, 665
Find the all distinct four-digit numbers that contain only the digits 12345?
There are 625 of them - too many to list.
How many 4 digit numbers contain no zeros?
Nine digits, four positions becomes 94 or 6561.
How many numbers is ten digits?
10 digits are numbers in the billions.
How many 4 digit numbers can you make with 10 digits?
Ten different digits can be used to make 10C4 = 10*9*8*7/(4*3*2*1) = 210 four-digit numbers. Either numbers starting with 0 are permitted or the 10 digits do not contain a 0.
How many whole numbers have 3 digits?
there are 899 whole numbers that have three digits.
