KEY2PHYSICS

Processing math: 100%

- I'm an Educator
- I'm a Student

FAQs
Blog
About us

Problem : 1 / 1

#PROBLEM-52407

#PROBLEM-52407

Roughly how many heartbeats are there in a lifetime?

$10^9$ heartbeats

$10^5$ heartbeats

$10^{10}$ heartbeats

$10^{2}$ heartbeats

KEY2PHYSICS was built using technology and resources developed by National Science Foundation funding under NSF Award Numbers 0937989, 1418163, and 1742083.

Home
FAQs
Contact Us

Blog
About Us
Privacy Policy
Terms of Service

Facebook
X
YouTube

© 2025 KEY2PHYSICS - AP® is a registered trademark of the College Board.
The College Board were not involved in the development of, and do not endorse, this product.