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How many 8 digit palindromic numbers are there?
a 8-digits palindromic number is a number consisting of a 4-digits number written and then written backward, i.e. 1234 4321 so there are as many palindromic 8-digits numbers as 4-digits numbers so from 1000 to 9999, so there are 8999 palindromic 8 digits number (I assumed that 00011000 is not to be considered as a valid 8 digit number)
What type of numbers is found an odd number of times in a multiplication table?
Single digit numbers is not correct. Squares of numbers will appear odd number of times in a multiplication table: 1², 2², 3², 4², 5², 7², etc....
How many 5 digit combos in 30 numbers?
The answer will depend on how many digits there are in each of the 30 numbers. If the 30 numbers are all 6-digit numbers then the answer is NONE! If the 30 numbers are the first 30 counting numbers then there are 126 combinations of five 1-digit numbers, 1764 combinations of three 1-digit numbers and one 2-digit number, and 1710 combinations of one 1-digit number and two 2-digit numbers. That makes a total of 3600 5-digit combinations.
The number 3456 is divisible by which single-digit numbers?
3456 is divisible by the single digit numbers 1,2,3,4,6,8,9
When this 3-digit number is rounded to the nearest ten or hundred the numbers round up all the of the digit in this numbers are the samethe sum of the digit is 15what is the number?
-12
How do 3 digit numbers compare to 4 digit numbers?
3 digit numbers are lessthan 4 digit numbers
What digit does appear most frequently between numbers 1 and 1000?
By including the number 1000, the digit 1.
How many times does the digit nine appear from 1 to 500?
1 digit number: only 1 number 2 digits number: 18 numbers 3 digits number: 76 So there are 95 numbers containing 9.
How many significant numbers in 10?
There is one significant digit in the number 10, as written.
How many three digit numbers have odd prime number as 1st digit A prime number as 2nd digit and an odd number as 3rd digit?
There are 17 such numbers.
What is the largest 2 digit number that can be written as the sum of 2 different cubic numbers?
98
What is the only one digit number that can be written as the sum of two different cubic numbers?
9
What are the products of multiplying 2 digit numbers by 2 digit numbers?
A 3 or 4 digit number.
How many two digit number contain no 5?
There is a possible confusion over how the last part of your question ("contain no 5") can be interpreted:it could be a badly written shorthand of the word number: "Nº" also written "No." also written "No" and very badly written as "no", meaning "contains the number 5", meaning "the number 5" - the number between 4 and 6 and less than 10;it could be a badly written shorthand of the word number: "Nº" also written "No." also written "No" and very badly written as "no", meaning "contains the number 5", meaning "the digit 5" - the digit 5 in any place value column;It negates the sense so that "contain no 5" means "do not contain the digit 5".In interpretation number 1 there are no such numbers, as 5 is less than 10 and all two digit numbers are greater than, or equal to 10 (I suspect that this meaning is definitely not intended).There are 90 two digit numbers (10 - 99); of them:9 contain a 5 as the second digit: 15, 25, ..., 9510 contain a 5 as the first digit: 50, 51, ..., 59So there are 19 of the digit 5 used.However, 55 is counted twice, meaning there are 18 numbers which contain the digit 5. (This is the solution to the interpretation number 2.)Which means there are 90 - 18 = 72 numbers which do not contain the digit 5. (The solution to interpretation number 3, which I suspect is the required answer.)Use whichever solution meets your intended interpretation of the question you wrote.
What is the number if there is a 4 digit number no numbers are repeated the digit is odd the digit in the tens place is three times the digit in the thousands place and the sum of the numbers is 27?
3897
How is multiplying by multi-digit numbers similar to multiplying by two-digit numbers?
Multiplying by multi-digit numbers is similar to multiplying by two-digit numbers in that both processes involve breaking down the numbers into place values and multiplying each digit by each digit in the other number. The key similarity lies in the application of the distributive property, where each digit in one number is multiplied by each digit in the other number, and then the products are added together to get the final result. This process is consistent whether you are multiplying by a two-digit number or a multi-digit number.
What is the ratio of the number of one-digit prime numbers and the number of one-digit composite numbers?
The ratio of the number of one-digit prime numbers to the number of one-digit composite numbers is one to one. The one-digit prime numbers are 2, 3, 5, and 7. The one-digit composite numbers are 4, 6, 8, and 9. Therefor, the ratio is 4:4, which simplifies to 1:1.
