MultiplicationPrinciple
AMC10/12
Basic
2009
How many $7$-digit palindromes (numbers that read the same backward as forward) can be formed using the digits $2$, $2$, $3$, $3$, $5$, $5$, $5$?
The solution for this problem is available for
$0.99.
You can also purchase a pass for all available solutions for
$99.