Below are a few explanation to help understand the answers.

Simple Star Quiz

12. Each order of magnitude is 2.512 times brighter than the previous level, e.g. a magnitude 1 star is 2.512 times brighter than a mag 2 star, therefore a magniture 1 star is 100 times brighter than the mag 6 star or in reverse a mag 6 star is only 1% as bright as a mag 1 star.