A person will take 5.88672 × [tex]10^{8}[/tex] breaths in 70 years.
Here, we are given that on average a person at rest takes approximately 16 breaths per minute.
1 hour = 60 minutes
Thus, in 1 hour a person will take-
60 × 16
= 960 breaths
Now, 1 day = 24 hours
Thus, in 1 day, a person will take-
24 × 960
= 23,040 breaths
Further, 1 year = 365 days
Thus, in 1 year, a person will take-
23,040 × 365
= 8,409,600 breaths
In 70 years, a person will take-
8,409,600 × 70
= 588,672,000 breaths
We can express this in exponential notation as-
5.88672 × [tex]10^{8}[/tex]
Thus, a person will take 5.88672 × [tex]10^{8}[/tex] breaths in 70 years.
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