Although we round it to 24 hr, the actual length of a day is 23 hr, 56 min, and 4.2 sec. how many seconds are there in an actual day?

86,164.2 seconds

Step-by-step explanation:

There are 60 seconds in a minute, 60 minutes in an hour. Every hour has 3600 seconds. Multiply that by 23.

23×3600=82,800

multiply 60 by 56 for the seconds in the 56 minutes.

60×56=3360

add 82800+3360+4.2= 86,164.2

answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42

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