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The heart beat once in 0.8s.Find the number of times the heart beat in the life of 60 years of a man

Answer» what is actually chemical?<br>As , 60 years = 60× 365 = 21900 days21900 days = 21900 × 24 = 525600 hr525600 hr = 525600 × 60 = 31536000 min\xa031536000 min = 31536000 × 60 =1892160000 secAs, givenIn 0.8 sec ,no. of time heart beats = 1In 1892160000 sec, no. of time heart beats = 1 × 1892160000 /0.8 =2365200000\xa0<br>2.37 into 10 power 9


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