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).

Answer 1

To find the number of times an average person blinks in a year, we need to multiply the number of blinks per hour by the number of hours in a year.

First, let's find the number of hours in a year:

1 year = 365 days
1 day = 24 hours

Therefore, 1 year = 365 days * 24 hours = 8,760 hours.

Now, we can calculate the number of times an average person blinks in a year:

Number of blinks per hour = 15
Number of hours in a year = 8,760

Number of blinks in a year = 15 blinks/hour * 8,760 hours = 131,400 blinks.

The answer is 1.314 x 10^5 blinks.