Wednesday

July 30, 2014

July 30, 2014

Posted by **Judy** on Wednesday, October 8, 2008 at 4:05pm.

ex.

log(50,000)+log(150,000)= some number

But when I use the log button on the calculator, the answer is not correct? But when I use the ln button, it's the correct answer?

So for log, you press ln, then what is the log button on the calculator for?

- Math -
**bobpursley**, Wednesday, October 8, 2008 at 4:11pmIt is not clear to me above what is the base of the log. Unstated, we often use base 10, but not always. I am not certain what you are doing. But the point of the above is something else..

log Y + log x= log (x*Y)

so log(5*1.5*10^9)=9log(7.5)

- Math -
**Judy**, Wednesday, October 8, 2008 at 4:18pmthe equation in my book is

0.5log(50,000)+0.5log(150,000)=11.37

I just punch these numbers and using log button on my calculator, the answer isn't correct. But when i use ln instead of log on my calculator, the answer is correct.

**Related Questions**

math - Logarithm!!! Select all of the following that are true statements: (a) ...

Math Help Please - Which of the following expressions is equal to log (x sqrt-y...

Algebra 2 - how do not understand how to do this Log X + Lob (X-3) = 1 I know I ...

Mathematics - Prove that log a, log ar, log ar^2 is an a.p. Is the following ...

math - solve for x without using a calculator 5^(x+1) = 25 i know that x would ...

math(Please help) - 1) use the properties of logarithms to simplify the ...

math - write as a single logarithm: -2logbase3(1/x)+(1/3)logbase3(square root of...

Trigonometry - This is a logs question If u=x/y^2, which expression is ...

Math/trig - Log radical b/ a^2 is equivalent to 1) 1/2 log b + 1/2 log a 2) l/2 ...

Algebra 2 - -Explain the difference between log base b (mn) and ( log base b of ...