15 years is how many seconds?

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15 years is how many seconds?

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Answer 1 · 2016-09-06T11:22:54

Assumption: This is not a leap year

$31536000$ $31536000$

$which is the same as 3.1536 \times 10^{7}$ $"which is the same as "3.1536xx10^7$

Explanation:

Number of days in a year are 365

Number of hours in a day is 24
So the number of hours in a years is $24 \times 365 \frac{hours}{year}$ $24xx365" ""hours"/"year"$

Number of minutes in an hour is 60
So the number of minutes in a year is $60 \times 24 \times 356 \frac{minutes}{year}$ $60xx24xx356" ""minutes"/"year"$

The number of seconds in a minute is 60
So the number of seconds in a year is:

$60 \times 60 \times 24 \times 356 \frac{seconds}{year}$ $60xx60xx24xx356" ""seconds"/"year"$

$31536000$ $31536000$

$\to 3.1536 \times 10^{7}$ $->3.1536xx10^7$

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15 years is how many seconds?

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