Question

Evaluate log20 + log50 - 2log5 - 2log2

Answer 1

@Kainui

Answer 2

Show me what you can do so I can help you where you're having trouble.

Answer 3

log 20 x 50 x 4/25

Answer 4

i had got log 20 x 50/25/4

Answer 5

So as the final answer I got log160

Answer 6

@Kainui

Answer 7

That looks pretty good, except you should have: \[\log \left( \frac{20*50}{4*25} \right)\] since all the ones that are subtracted should be divided and the ones that are added are multiplied on top.

Answer 8

Log 25?

Answer 9

sorry so now
its log 5 x 2 so log 10 which is 1

Answer 10

Yeah, perfect!