Chemistry, 25.09.2019 23:00 idontknowwhyiam
Aperson's heartbeat is 68 beats per minute. if his/her heart beats 3.1e9 times in a lifetime, how long (in whole years) does the person live? disregard leap years.
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Aperson's heartbeat is 68 beats per minute. if his/her heart beats 3.1e9 times in a lifetime, how lo...
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