Question

If your heart beats 80 times per minute and you live to be 90 years old, how do you estimate the number of times your heart beats during your lifetime?
Answer needs to be in scientific form.
Please helpp/;

Answer 1

80 times per minute.

there are 60 minutes in 1 hour.

24 hours in 1 day. (60*24 mins)

365 days a year. (365*60*24 mins)

Answer 2

Can you do the next step?

Answer 3

Do I multiply 365*60*24* 90?

Answer 4

Yes.

Answer 5

and dont forget to multiply all of that by 80 - given in the ques.

Answer 6

i got 3,784,320,000 now how would i put that in scientific notation form?