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Number of 3digit palindromes...
9 ways for the hundreds place.
9 ways for the tens place.
1 way for the ones place.
\(9 \times 9 \times 1 = 81\) which is wrong?
 one year ago
 one year ago
Number of 3digit palindromes... 9 ways for the hundreds place. 9 ways for the tens place. 1 way for the ones place. \(9 \times 9 \times 1 = 81\) which is wrong?
 one year ago
 one year ago

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Golferguy158Best ResponseYou've already chosen the best response.0
why is there only one way for the ones place?
 one year ago

Golferguy158Best ResponseYou've already chosen the best response.0
shouldn't there be 9 ways?
 one year ago

SpacelimbusBest ResponseYou've already chosen the best response.2
you can have 9 in the first place, and 10 in the second place. 111 is also a palindrome.
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
Because the ones place is always equal to the hundreds place.
 one year ago

SpacelimbusBest ResponseYou've already chosen the best response.2
010 is not a 3 digit number, but a 3 digit palindrome.
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
@LOOSEr I didn't consider 0 for the tens place, whoopies
 one year ago

SpacelimbusBest ResponseYou've already chosen the best response.2
so I would try it with 90
 one year ago

ParthKohliBest ResponseYou've already chosen the best response.0
Yeah, that's right of course :P
 one year ago
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