SOLUTION: A positive integer is called a palindrome if it reads the same forward as it does backward. For example, 959 and 8228 are palindromes, whereas 1332 is not. Neither the first nor th

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: A positive integer is called a palindrome if it reads the same forward as it does backward. For example, 959 and 8228 are palindromes, whereas 1332 is not. Neither the first nor th      Log On

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Question 336590: A positive integer is called a palindrome if it reads the same forward as it does backward. For example, 959 and 8228 are palindromes, whereas 1332 is not. Neither the first nor the last digit of a palindrome can be 0.
How many three-digit palindromes are there?
(A) 19 (B) 20 (C) 90 (D) 100 (E) 810
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1X1
2X2
3X3
.
.
.
8X8
9X9
where X can vary from 0 to 9 (10 total).
From 1X1 to 9X9, there are 9 total.
N=9%2A10=90