Question

question 16. You sent an email to 8 friends. They each forwarded the email to 8 friends, and those friends each forwarded the email to 8 friends. The chain of emails is represented by the expression 8+8²+8³. How many people were sent your email.

Answer 1

584

Explanation:

8 + 8 squared + 8 cubed is 8 plus 64 plus 512 which is 584