Wednesday

January 28, 2015

January 28, 2015

Posted by **Lindsay** on Wednesday, May 23, 2007 at 5:54pm.

Rewrite as the log of a single number.

1) 8 ln 2 = ln(2^8)

2) log 42 - log 6 = log 36 (I think this one may be wrong).

Evalute each expression w/o a calculator.

3) log(subscript 12) (superscript 5)square root of 12 = 0.2

4) log(subscript 6) 216 = 3

The one I'm not sure how to do looks like this: log(subscript 4)s^3 = 8. I'm supposed to solve for s. It would be great if someone could show me the steps for how to solve it.

#1 is right

#2, no

log A - log B = log (A/B)

so log 42 - log 6 = log 7

#4 is good

#5..... is this what you mean? (log

if so, then you would have (1/2)^5

= 1/32

for

4^8 = s^3

s^3 = 65536

s = appr. 40.317 (I took the cube root)

Actually, the 5 is before the square root symbol. I'm just not sure how to type it out...!

then my interpretation was right

remember that

log

Riiight ok I remember that now. Thanks again for the help. :)

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