# Chapter P - Section P.2 - Exponents and Scientific Notation - Exercise Set - Page 32: 146

$2.94\times10^{9}$ beats

#### Work Step by Step

70 beats/minute 60 minutes/hour 24 hours/day 365 days/year 80 years $70\times60\times24\times365\times80=2943360000\approx2.94\times10^{9}$

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