Question

Simplify the expression if possible.

log 0.0001

Answer 1

its a common log.

Answer 2

okay but how do you simply it?

Answer 3

-4

Answer 4

Write .0001 as a power of 10

Answer 5

log (base 10) 0.0001
= log of 10^ what?

Answer 6

To be honest I have no clue how to do that, I don't have a graphing calculator and my teacher just started this topic so I apologize but I have no idea anything of log.

Answer 7

logarithms are basically all about powers

Answer 8

okay so would that be just like 10^2 which is 100?

Answer 9

Just remember: The log is the exponent.

Answer 10

so log (to the base 10) of 100 = 2

Answer 11

so log of 0.0001 is 2, seriously that simple?

Answer 12

-4 not 2

Answer 13

10^-4 = 0.0001

Answer 14

ahh okay makes sense. Thank you so much!

Answer 15

just remember that not all logarythms are based on log to the base 10

Answer 16

thank goodness this is the only question on the test that involved log.