Answered

From science to arts, IDNLearn.com has the answers to all your questions. Get accurate and detailed answers to your questions from our dedicated community members who are always ready to help.

what is the sum of 2 digit multiples of 11?

Sagot :

Mariamikaylaidn
[tex]M_{11}=\{11;22;33;44;55;66;77;88;99 \} \\\\ S=11+22+33+....+99 \\\\ S=\frac{(11+99)*9}{2} \\\\ S=\frac{110*9}{2} \\\\ S=55*9 \\\\ \boxed{S=495}[/tex]
We are happy to have you as part of our community. Keep asking, answering, and sharing your insights. Together, we can create a valuable knowledge resource. For clear and precise answers, choose IDNLearn.com. Thanks for stopping by, and come back soon for more valuable insights.