To determine how many times an average person blinks in a year, we can follow these steps:
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Calculate the number of blinks in one hour:
- The average person blinks 15 times per hour.
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Calculate the number of blinks in one day:
- There are 24 hours in a day, so: \[ \text{Blinks per day} = 15 , \text{blinks/hour} \times 24 , \text{hours/day} = 360 , \text{blinks/day} \]
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Calculate the number of blinks in one year:
- There are 365 days in a year, so: \[ \text{Blinks per year} = 360 , \text{blinks/day} \times 365 , \text{days/year} = 131400 , \text{blinks/year} \]
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Convert the result to scientific notation:
- \( 131400 \) in scientific notation is \( 1.314 \times 10^5 \).
Thus, the number of times an average person blinks in a year is \( \boxed{1.314 \times 10^5} \).