Get reliable answers to your questions at Westonci.ca, where our knowledgeable community is always ready to help. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

suppose we want to choose 5 letters, without replacement, from 13 distinct letters. (a) how many ways can this be done, if the order of the choices is not taken into consideration? (b) how many ways can this be done, if the order of the choices is taken into consideration?