SOLUTION: Hello, can you help me with the following review problem? Let logb A = 4 and log B = -3. Find logb AB. Sorry, I am terrible with this. Thanks for your help.

Algebra.Com
Question 80711: Hello, can you help me with the following review problem?
Let logb A = 4 and log B = -3. Find logb AB.
Sorry, I am terrible with this. Thanks for your help.

Answer by dolly(163)   (Show Source): You can put this solution on YOUR website!
log A = 4 and log B = -3
Log AB = log A + log B
= 4 + (-3)
= 1
Thus logb AB = 1

RELATED QUESTIONS

Find the value of the expression. Let logb A = 5 and logb B = -2. Find logb... (answered by MathLover1)
Please help me with this expression: logA/logB = A/B = 2/3. The correct answer is 2/3.... (answered by stanbon)
If logb 2=x and logb 3=y, evaluate the following in terms of x and y: (a) logb 216= (b) (answered by Edwin McCravy)
Find the value of the expression. Let logb A=5 and logb B=-4. Find logb B^2 (The... (answered by stanbon)
given logb^4 = .7124 and long b^12=1.2770 find logb^3 and... (answered by Alan3354)
Let logb 5 = X and logb 7 = y. Use the log laws to write each expression in terms of X... (answered by ikleyn)
solve the problem given logb 3 = 0.8397 and logb 7 = 1.4873 find logb... (answered by nerdybill)
Please help me with this problem: logb^2 = .25596, logb^3 = .40568, logb^5 = .59432 (answered by venugopalramana)
Please help me with these problems, Expand the following expression: log3 P^3/R and... (answered by tanimachatterjee)