0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
How many one-digit counting number?
9.
Is the single digit number greater than 9?
There is no single digit number greater than 9. After 9 is 10, which is a double-digit number.
What is the Units Digit of 9 to the 21st?
The number in the units digit of the number 921 is 9.
How many different 7 digit phone number are possible if the first digit cannot be 0?
9*106 or 9 million.
How many palindromes are between 100 and 10000?
For the group of 3 digit numbers : Any number from 1-9 can be the 1st digit, any number from 0-9 can be the 2nd digit, the 3rd digit can only be one number that matches the 1st digit. The number of possibilities is thus, 9 x 10 x 1 = 90. For the group of 4 digits : Any number from 1-9 can be the 1st digit, any number from 0-9 can be the second digit, the 3rd digit can only be the one number that matches the 2nd number, and the 4th digit can only be the one number that matches the 1st digit. Number of possibilities is 9 x 10 x 1 x 1 = 90. Giving a total of 180 palindromic numbers between 100 and 10000.
How many 9 digit numbers are there?
well the first 9 digit number is 100 million 100,000,000 the last 9 digit number is 999 million 999,999,999 just minus the two numbers and you get... 899,999,999 so there are around 900 million 9 digit numbers.
How many one-digit counting number?
9.
How many numbers are in a routing number?
Routing number is 9 digit number.
Is the single digit number greater than 9?
There is no single digit number greater than 9. After 9 is 10, which is a double-digit number.
How many three digit numbers can be formed that do not contain the number zero and no number can repeat?
Let's look at this digit-by-digit: The first digit can be any number 1-9: 9 choices The second digit can be any number 1-9 except the one that the first digit is: 8 choices The third digit can be any number 1-9 except the ones chosen by the first and second digits: 7 choices 9*8*7 = 504 total numbers
What is the Units Digit of 9 to the 21st?
The number in the units digit of the number 921 is 9.
How many different 7 digit phone number are possible if the first digit cannot be 0?
9*106 or 9 million.
What is the sum of greatest 3-digit number?
The greatest 3-digit number is 999. 9+9+9 = 27 The sum of the greatest 3-digit number is 27.
How many palindromes are between 100 and 10000?
For the group of 3 digit numbers : Any number from 1-9 can be the 1st digit, any number from 0-9 can be the 2nd digit, the 3rd digit can only be one number that matches the 1st digit. The number of possibilities is thus, 9 x 10 x 1 = 90. For the group of 4 digits : Any number from 1-9 can be the 1st digit, any number from 0-9 can be the second digit, the 3rd digit can only be the one number that matches the 2nd number, and the 4th digit can only be the one number that matches the 1st digit. Number of possibilities is 9 x 10 x 1 x 1 = 90. Giving a total of 180 palindromic numbers between 100 and 10000.
How many three digit numbers are divisible by 9?
100. The highest 3 digit number divisible by 9 is 999 (111 times). The highest 2 digit number divisible by 9 is 99 (11 times). The difference is 100.
How many 4 digit number combinaton between 1to9?
starting at 1111 and going to 9999, there are 9*9*9*9 combinations (1...9 for each digit) = 6561
How many 6 number combination can be made from 0 to 9?
For a six digit number the most significant digit cannot be zero (it will otherwise cease to be a six digit number). So MS digit can be 1,2,3,4,5,6,7,8, or 9. The Other five digits can be 0,1,2,3,4,5,6,7,8, or 9. Hence total number of six digit numbers that can be made with 0 to 9 is 9 x 10 x 10 x 10 x 10 x 10 = 900000
