Posted by **MIKE11** on Saturday, April 16, 2011 at 6:01pm.

A Science instrutor assigns his student one second of home work..the first week of school,two seconds. the second week four seconds, the third.if the student asked whether he would agree to this weekly homework doubling for the duration of the 36-week school year.how much homework in hours would this plan require in week 36? Please EXPLAIN.

- algebra -
**Ms. Sue**, Saturday, April 16, 2011 at 6:08pm
Check the **Related Questions** below.

- algebra -
**MIKE11**, Saturday, April 16, 2011 at 7:00pm
The Below Answers did not gives me enough clear view on how to solve this problem.You input would be a big help..Thanks!

- algebra -
**Ms. Sue**, Saturday, April 16, 2011 at 7:13pm
WK - SEC

1 - 1

2 - 2

3 - 4

4 - 8

5 - 16

6 - 32

7 - 64

8 - 128

9 - 256

10 - 512

11 - 1024

12 - 2048

13 - 4096

14 - 8192

15 - 16384

16 - 32768

17 - 65536

18 - 131072

19 - 262144

20 - 524288

As you can see -- you'd spend 524,288 seconds on homework in week 20. That's over 8,738 minutes or 145.6 hours.

Continue doubling the seconds until you reach week 36.

- algebra -
**MIKE11**, Saturday, April 16, 2011 at 8:44pm
I continued doubling the seconds untill i got to week 36..The week 36 shows me 3.435974e+10..I dont know if it was an error? Sorry, please more help.

- algebra -
**Ms. Sue**, Saturday, April 16, 2011 at 8:50pm
It must be an error. Probably your calculator can't handle this many digits.

You can type your numbers into the Google search box. It can handle numbers with any number of digits.

http://www.google.com/#sclient=psy&hl=en&source=hp&q=524%2C288+*+2&aq=f&aqi=&aql=&oq=&pbx=1&bav=on.2,or.r_gc.r_pw.&fp=253a85f0f6bc4b61

- algebra -
**MIKE11**, Saturday, April 16, 2011 at 9:43pm
Thank you Ms. Sue,

I'm greatful for your help here..week 36 finally came down to 34359738368..So how do i get the minutes or the hours answer, just like you did in week 20?? Please show me your work?

- algebra -
**Ms. Sue**, Saturday, April 16, 2011 at 9:51pm
You're welcome.

Since there are 60 seconds in a minute, and 60 minutes in an hour, divide your number of seconds by 360 to find the number of hours.

- algebra -
**sue**, Wednesday, September 19, 2012 at 7:18am
One week, you earned $1350. Let x represent your total sales that week. Write an equation that could be used to find x.

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