I realize that you probably meant for these to be the first 4 terms in a sequence, but this will just goes to show why you should be careful with your language.
Careful how you use your equals signs and numbers. According to the first line,
1 = 5s
This SAYS that one equals five times s, but clearly this is not what you mean.
Similarly, the second line SAYS two equals twenty-five times s, etc.
etc.
If you did mean for these numbers to be a sequence, you should really use proper notation, such as
{5s, 25s, 125s, 625s, ...}
or
a1=5s
a2=25s
a3=125s
a4=625s
a5=?
where a# denotes the #'th term in the sequence.
2007-12-25 18:13:42
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answer #1
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answered by jtabbsvt 5
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Obviously it is a series of "Geometric Progression" of the form ar^(n-1)
a = 5 secs ; r = 25/5 = 125/25 = 625/125 = 5 : This is the multiplying factor.
The 5th term is found by 5r^4 = 5*5^4 = 5^(1+4) = 5^5 = 3125 secs
2007-12-25 17:10:14
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answer #2
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answered by hydraulicsFreak 2
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These are just the successive powers of 5, and the fifth power of 5 is 3125, so the answer is 3125s.
2007-12-25 16:53:20
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answer #3
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answered by TitoBob 7
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You must not recognize patterns all that well...
n = (5^n)s would be the general thing for you to simply plug in your calculator.
so,
5 = (5^5)s
and if you MUST go to a calculator, the answer would be 3125s.
2007-12-25 17:05:50
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answer #4
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answered by Ian W 2
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the answer is 3125.
have a nice day and Merry Christmas.
2007-12-25 19:43:26
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answer #5
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answered by Anonymous
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3,125: for each n, the coefficient of s is 5^n.
So, if you extended your pattern the other direction:
0=s
-1 = s/5
-2 = s/25
etc.
2007-12-25 16:54:33
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answer #6
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answered by Arnold K 2
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3125
2007-12-25 16:52:11
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answer #7
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answered by John G 3
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3125
2007-12-25 16:50:23
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answer #8
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answered by Zombie King 5
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3125
i guess im the master eh??
lol =]
i cheated.
2007-12-25 16:53:16
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answer #9
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answered by ♪♫Lynn♫♪ 5
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