Posted by **Anonymous** on Wednesday, February 20, 2013 at 10:15am.

A palindrome is a number that reads the same forwards as it does backwards. For example, 98789 is a 5-digit palindrome, and 7337 is a 4-digit palindrome. How many 3-digit palindromes are there?

- algebra -
**Reiny**, Wednesday, February 20, 2013 at 10:22am
Assuming that we can't start with 0 , or else it would be a 2 - digit number,

there are 9 choices for the 1st, then only 1 at the end

the middle can be any of the 10

number of such numbers

= 9 x 10 x 1 = 90

## Answer This Question

## Related Questions

- Palindromes - What is a palindrome that means excitement. What is a palindrome ...
- Math - It is a 5 digit no. ,palindrome,divisible by 4,10 digit is cube root of 1...
- COmbinatorics - A DNA chain is a string of As, Ts, Gs, and Cs. How many DNA ...
- math - Numbers that are palindromes read the same forward and backward. For ...
- Algebra - Math HW HELP! - 1) It is a five-digit whole number. 2) It is a ...
- Maths - A palindrome number is one that reads the same both forwards and ...
- algebra - It is a five digit whole number 1. It is a palindrome 2. It's ...
- PALINDROMES - ON THE NUMERS 10 AND 100, HOW MANY OF THEM ARE PALINDROMES? PLEASE...
- math - which digits are always the same in a 4 digit palindrome?
- number theory - How do you prove that any palindrome, a number that reads the ...

More Related Questions