Toggle navigation
Practice
Questions
Courses
Articles
Firms
Jobs
Login
Sign up
Fermi Question - Surface
Back
Fermi Question
This Fermi Question is only available to subscribers.
xxx xxxx xxxxx xxxxx xxxxx xxx xxxxxxx xx xxx xxxx?
Show hint
One
Submit
Your answer
Our estimate
Explanation
Gain unlimited access.
Unlimited access to all brainteasers and site content. New questions added daily.
Subscribe now
Fermi Question - Surface