Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
70 / (1 - 27.78^2/(3*10^8)^2) * (3600*24*365) - 70*(3600*24*365)
70 / (1 - 27.78^2/(3*10^8)^2) * (3600*24*365) - 70*(3600*24*365)
Natural Language
Math Input
Extended Keyboard
