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Susie’s 21st birthday is in exactly 2 weeks. How many seconds until she celebrates her birthday? Report the whole number in your answer.

 Jun 24, 2016
 #1
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To find out how many seconds are in two weeks, first you have to find out how many seconds are in a minute.  1 minute equals 60 seconds.

 

Next, you have to find out how many minutes equal 1 hour.  1 hour equals 60 minutes.

 

Since 1 minute equals 60 seconds and 1 hour equals 60 minutes, you can calculate the number of seconds in an hour by multiplying 60 by 60 and when you do that you get 3600 seconds.

 

Next, you have to find out how many hours are in a day.  1 day equals 24 hours.

 

Since 1 hour equals 3600 seconds and 1 day equals 24 hours, you can calculate the number of seconds in one day by multiplying 3600 by 24 and when you do that you get 86400 seconds.

 

Next, you have to find out how many days are in a week,  1 week equals 7 days.

 

Since 1 day equals 86400 seconds and 1 week equals 7 days, you can calculate the number of seconds in one week by multiplying 86400 by 7 and when you do that you get 604800 seconds.

 

Next, you have to figure out how many seconds are in 2 weeks.  Since 1 week is equal to 604800 seconds, multiply 804800 by 2 and when you do that you get 1209600 seconds.

 

2 weeks is equal to 1209600 seconds.

 Jun 24, 2016
 #2
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1 week =7 days

2 x 7 =14 days in 2 weeks

14 days x 24 hours x 60 minutes x 60 seconds =1,209,600 seconds in 2 weeks.

 Jun 25, 2016

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