Question

If log 94.3 is 1.9745 then log 0.0943 =

A) 1.9745- 2
B) 10.9745-2
C) 8.9745
D) -2.9745

Answer 1

0.0943 is 94.3/1000 so log(0.0943) is log(94.3/1000).

Answer 2

Do you know that log(a/b) is log(a) - log(b)?

Answer 3

Thank you for your help, I think it would be answer A but log 1000 is 3 not 2, that's the only part that is different in answer A

Answer 4

Those are trick choices, actually.

Answer 5

Look at other choices too.

Answer 6

not sure, do you have any suggestions?

Answer 7

1.97 - 3 is what we have. Try simplifying.

Answer 8

how to simplify it?

Answer 9

Erm, subtract 3 from 1.9745

Answer 10

i got -1.02549

Answer 11

Nope