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There are 90 palindromes with 4 digits.
The first digit can be any digit from the set {1,2,3,4,5,6,7,8,9}.
With each choice of the first digit, the second can be any digit from the set {0,1,2,3,4,5,6,7,8,9}.
That makes 9*10 = 90 permutations for the first two digits. These determine the palindrome since the third and fourth digits are the same as the second and first, respectively.
Wiki User
∙ 9y ago
Wiki User
∙ 8y ago90 of them.
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How many 4-digit numbers are palindromes?
There are 90 such numbers.
How many 4-digit palindromes are there?
There are 90 four-digit palindromes
How many 4 digit palindromes are multiples of 9?
Nine. The sum of the digits must be a multiple of 9; because of the repeated digits, this is only possible if the first two digits add up to 9.
What digits are always the same in a 4-digit palindrome?
None. 1221 and 3443 are both 4-digit palindromes but no digit has remained the same between the two. First and fourth, second and third.
How many 4 digit numbers can be formed with the numders 5678 among these 4 digit numbers how many are smaller than 7000?
24
How many 4-digit numbers are palindromes?
There are 90 such numbers.
How many 4-digit palindromes are there?
There are 90 four-digit palindromes
How many 5-digit palindromes are multiples of 9?
-4
How many palindromes are there between 900 - 1900?
-1000
How many 4 digit palindromes are multiples of 9?
Nine. The sum of the digits must be a multiple of 9; because of the repeated digits, this is only possible if the first two digits add up to 9.
What digits are always the same in a 4-digit palindrome?
None. 1221 and 3443 are both 4-digit palindromes but no digit has remained the same between the two. First and fourth, second and third.
How many 4 digit numbers can be formed with the numders 5678 among these 4 digit numbers how many are smaller than 7000?
24
How many 2 digit numbers contain the digit 4?
17
How do 3 digit numbers compare to 4 digit numbers?
3 digit numbers are lessthan 4 digit numbers
How many 4 digit numbers are possible with no two numbers being adjacent?
There are 2941 4-digit numbers such no two of its digits differ by 1.
How many 4 digit numbers can be formed by the digits 1234567890?
The number 1234567890 can create about 39 of 40 4 digit numbers.
How many 4 digit numbers are possible by 9 and 6?
There are 16 4-digit numbers that can be made up from 9 and 6.
