The Purplemath Forums

Hi, I desperately need help in knowing how to solve a problem that requires a number to be written in index form with a prime number base. I can see the answers in the back of the text, but I have no idea how they get those answers. This is for both whole numbers and fractions. An example of the que...

Yes! Those are the answers but I don't know how they get those answers - I need to know how to work it out for myself. Thanks for replying