I need help with these just cant figure them out
1. 3^(?) =1
2. 3^(?) = 1/3
3.log5 (1/25) =?
4. logx = -0.7
Last edited by mr fantastic; Jul 21st 2009 at 01:00 AM.
Reason: Removed shouting
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Originally Posted by icecreamfrk09 1. 3^(?) =1
You can also consider Originally Posted by icecreamfrk09 I
2. 3^(?) = 1/3 this can be the same way as Q1
Originally Posted by icecreamfrk09 3.log5 (1/25) =?
thank you both...so both one and two are the same answer??
What? How did you draw that conclusion? These are the most fundamental properties. You must know these or you WILL fail your exams.
Look at these until you no longer feel an urge to ask the question about 1 and 2 being the same.
Originally Posted by icecreamfrk09
4. logx = -0.7 This question really depends on the logs base, lets try base 10.
k thank you tkhunny i understand now
Originally Posted by TKHunny What? How did you draw that conclusion? These are the most fundamental properties. You must know these or you WILL fail your exams. To expand on this, because because because because because because
Originally Posted by icecreamfrk09 k thank you tkhunny i understand now Get used to these two things and you will do well.
1) A Logarithm IS an Exponent.
2) These are equivalent statements, for appropriate a, b, and c and
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