Question

If Kelly's heart beats an average of 1x10^2 times per minute about how many times does Kelly's heart beat in a year? ( Hint: 1 year is 525,600 minutes.)

Answer 1

52.56 million or 52,560,000

Explanation:

(1×10^2 beats/min)×(5.256×10^5 min/yr) = 5.256×10^7 beats/yr

Kelly's heart beats about 52.56 million times per year.