Question

How would you simplify this logarithm?
log3(28) log3(7)

Answer 1

is there a "+" sign between the logs?

Answer 2

no, it is that way which I was thinking I would add the logs

Answer 3

Use the change of base formula

Answer 4

Basically, write everything in terms of log base 10, then simplify with your calc.

Answer 5

@jtryon have you tried simplifying it yet?

Answer 6

sorry, I got distracted working on sample problems for my exam... let me try simplifying it

Answer 7

\[\log_{10}(28)/\log_{10}(3) \]

Answer 8

@Hero

Answer 9

it does say not to evaluate using a calculator... is that possible?

Answer 10

If you're familiar with log charts, then yeah

Answer 11

hmm, I am not familiar wight hem

Answer 12

*with them

Answer 13

How do you divide log(28)/log(3) without a calculator?

Answer 14

\[10^{x} = 28\]

Answer 15

is that how you would solve?