Question

Simplify expression log 0.0001

Answer 1

There's information missing, it looks like you're trying to solve a problem for half-life.

Answer 2

\(\bf log 0.0001=\square\implies log_{10}0.0001=\square \implies 10^{\square} = 0.0001\)


so.... what do you think is the exponent that will give us that?

is a base 10, so is pretty common and well-known

Answer 3

If not, you can plug it into a calculator.

Answer 4

http://www.eduplace.com/math/mw/background/6/01/graphics/ts_6_1_wi-2a.gif