Multiply
Division
Exponents
100

 log2xy

log2 + logx +logy

100

ln10/x

ln10-lnx

100

logx5

5logx

200

log4 + 6logx + logy

log4(x^6y)

200

log9(h6/f8k3)

6log9h - 8log9f - 3log9k

200

10logh

logh10

300

How do you make sure you have fully expanded correctly?

You must have log written more than one time, You have to have at least one addition or subtraction sign, there can be no multiplication or division and all exponents have been brought to the front.

300

log15-log3

5

300

4lnx

lnx4

400

In3 + Inx

In3x

400

logx - 5logy - 3log(z + 3)

logx - logy5 - log(z+3)5

400

log10 + 8log8 26 - log100

1 + 26 - 2 = 25

500

log310 + log38

log380

500

log496 - log46

4

500

log5x + 2log2 x - log20x

log1/5 + x