What is the reciprocal of 453463.432849

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?