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)

Question

Responses

1.314 × 105
1.314 times 10 superscript 5 baseline

1.314 × 10−5
1.314 times 10 superscript negative 5 baseline

1.314 × 10−4
1.314 times 10 superscript negative 4 baseline

1.314 × 10^4

Answer 1

To calculate how many times an average person blinks in a year, we can use the following steps:

1. Calculate blinks per day: \[ \text{Blinks per hour} = 15 \] \[ \text{Hours per day} = 24 \] \[ \text{Blinks per day} = 15 , \text{blinks/hour} \times 24 , \text{hours/day} = 360 , \text{blinks/day} \]

2. Calculate blinks per year: \[ \text{Days per year} = 365 \] \[ \text{Blinks per year} = 360 , \text{blinks/day} \times 365 , \text{days/year} \] \[ \text{Blinks per year} = 131400 , \text{blinks/year} \]

3. Convert to scientific notation: \[ 131400 = 1.314 \times 10^5 \]

Thus, the average person blinks approximately \( 1.314 \times 10^5 \) times in a year.

The correct response is: 1.314 × 10^5