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November 2nd, 2009, 08:56 PM
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| |  power notation
write in power notation
i get the first one but stuck on second
1.)
log 5 625 =4
= 5^4 =625
2.)
log100000 =5
=? |
November 2nd, 2009, 08:59 PM
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Quote:
Originally Posted by realistic  write in power notation
i get the first one but stuck on second
1.)
log 5 625 =4
= 5^4 =625
2.)
log100000 =5
=? | Look at all those zeros. And since the base is not given, I wonder what that means? Hint hint. 
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November 2nd, 2009, 08:59 PM
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Quote:
Originally Posted by realistic write in power notation
i get the first one but stuck on second
1.)
log 5 625 =4
= 5^4 =625
2.)
log100000 =5
=? | What's the base of the logarithm in Q2?
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November 2nd, 2009, 09:01 PM
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since log x, unless otherwise specified, has a base of 10, then for log 100000=5, power notation is 10^5 = 100000
Last edited by jmedsy; November 2nd, 2009 at 09:04 PM.
Reason: typo
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November 2nd, 2009, 09:02 PM
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Quote:
Originally Posted by jmedsy since log x, unless otherwise specified, has a base of 10, then for log 100000=4, power notation is 10^5 = 100000 | log100000 =4?
ok i c so if the base is not specified you assume it has a base of 10?
10^5 makes sense thanks |
November 2nd, 2009, 09:05 PM
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sorry i meant to type log 100000 = 5 there. yep | | Thread Tools | | | | Display Modes |  Linear Mode | 
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