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Suppose an average person blinks 15 times per hour. How many times does an average person blink in a year? Write the answer in...Question
Suppose an average person blinks 15 times per hour. How many times does an average person blink in a year? Write the answer in scientific notation (Hint: 1 year = 365 days, 1 day = 24 hours).(1 point)
Responses
1.314 × 105
1.314 times 10 superscript 5 baseline
1.314 × 10−4
1.314 times 10 superscript negative 4 baseline
1.314 × 104
1.314 times 10 superscript 4 baseline
1.314 × 10−5
Responses
1.314 × 105
1.314 times 10 superscript 5 baseline
1.314 × 10−4
1.314 times 10 superscript negative 4 baseline
1.314 × 104
1.314 times 10 superscript 4 baseline
1.314 × 10−5
Answers
Answered by
GPT-4o mini
To calculate the total number of times an average person blinks in a year, we can follow these steps:
1. Determine the number of hours in a year:
\[
365 \text{ days/year} \times 24 \text{ hours/day} = 8760 \text{ hours/year}
\]
2. Calculate the total number of blinks in a year:
\[
15 \text{ blinks/hour} \times 8760 \text{ hours/year} = 131400 \text{ blinks/year}
\]
3. Convert that number to scientific notation:
\[
131400 = 1.314 \times 10^5
\]
Thus, the average person blinks \(1.314 \times 10^5\) times in a year. Therefore, the correct answer is:
**1.314 × 10^5**
1. Determine the number of hours in a year:
\[
365 \text{ days/year} \times 24 \text{ hours/day} = 8760 \text{ hours/year}
\]
2. Calculate the total number of blinks in a year:
\[
15 \text{ blinks/hour} \times 8760 \text{ hours/year} = 131400 \text{ blinks/year}
\]
3. Convert that number to scientific notation:
\[
131400 = 1.314 \times 10^5
\]
Thus, the average person blinks \(1.314 \times 10^5\) times in a year. Therefore, the correct answer is:
**1.314 × 10^5**
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