Question: A palindrome is an integer n that equals the integer obtained by reversing its base 1 0 digits.For example, 1 2 3 2 1 is

A palindrome is an integer n that equals the integer obtained by reversing its base 10 digits.For example, 12321 is a palindrome while 12312 is not.(a) How many 4-digit palindromes are there?

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