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Mathematics 18 Online
OpenStudy (anonymous):

A healthy person' heart normally beats around 60 times a minute. about how many heart beats occur in a 24 hour day? 24,000 50,000 86,400

OpenStudy (cwrw238):

60 * 60*24

OpenStudy (pokemon23):

86400

OpenStudy (cwrw238):

yup

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