R-SAT
Exam
log2 = 0.3010 and log3 = 0.4771 then the value of log(9/2) = ?
A.0.25 B. None C.0.75 D. 0.65
Read Solution (Total 4)
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- log 9/2 = log 9 - log2= 2log3-log2=2*.4771-.3010=.9542-.3010=.6532
So ans is D =.65 - 11 years agoHelpfull: Yes(7) No(1)
- D. 0.653
2log3-log2=2*0.477-0.301=0.653 - 10 years agoHelpfull: Yes(1) No(1)
- we have to know two basic formulae to solve
log x^n= nlogx and log x/y= logx-logy
now its very easy
log(9/2)=log9-log2
=2log3-log2=.65 - 10 years agoHelpfull: Yes(1) No(1)
- D.0.65
log(9/2)=log9-log2
log3*log3-log2
log(a)*log(b)=log(a+b)
log(3+3)-log(2)
0.4771+0.4771-0.3010=0.65 - 7 years agoHelpfull: Yes(0) No(0)
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