## College Algebra 7th Edition

$\log{0.000001}=-6$
Note that $0.000001 = 10^{-7}$. Thus, $\log{0.000001}= \log{(10^{-6})}$ RECALL: $\log{(10^x)}=x$ Use the rule above to obtain: $\log{0.000001}=-6$ (note that $\log{x}$ has a base of 10)