1.15 | Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or

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(a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y? (b) In 2.00 y? (c) In 2.000 y?

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I don't understand how 2.00 years resulted in 7.57x10^7. When you calculate 3.78x10^6(2.00) you get You cannot round 6 up from a zero??

joshholymoses
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Wouldn't you just multiply min per year (525600 -I've seen Rent, so I do know how many min in a year, lol)by 2, then multiply by 72? Then round to the Sig figs.

JBond-zfdj
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Hello,

How do you get 1.9x10^-6yrs ? How is this calculation done on a calculator ? I got 146 by diving 1 to 60 times 24 times 365 gave me 146. If you can please help !! Thank you !!

kassandraroig