document.write( "Question 605215: True or False: \r
\n" ); document.write( "\n" ); document.write( "a. A natural logarithm is a logarithm in which the base is 10\r
\n" ); document.write( "\n" ); document.write( "b. If 2 log3 (81) = 8, then log3 (6,561) = 8\r
\n" ); document.write( "\n" ); document.write( "c. log(N)is negative when N > 1\r
\n" ); document.write( "\n" ); document.write( "d. If 2 log3 (81) = 8, then log3 (81)=4
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Algebra.Com's Answer #381581 by lwsshak3(11628)\"\" \"About 
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True or False:
\n" ); document.write( "a. A natural logarithm is a logarithm in which the base is 10
\n" ); document.write( "false, natural logs use base e=2.718..
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\n" ); document.write( "b. If 2 log3 (81) = 8, then log3 (6,561) = 8
\n" ); document.write( "true. 2 log3 (81)=2*4=8, 3^8=6561
\n" ); document.write( "..
\n" ); document.write( "c. log(N)is negative when N > 1
\n" ); document.write( "false, log(N) is positive when N>1
\n" ); document.write( "log(N)is negative when 0< N < 1
\n" ); document.write( "..
\n" ); document.write( "d. If 2 log3 (81) = 8, then log3 (81)=4
\n" ); document.write( "true, 2 log3 (81)=2*4=8, 3^4=81
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