187=190
186=190 because 18.7 and 18.6 are 187 and 186 so 8 is the tenth place. So they both equal 190
Answer:
Tim is wrong.
Step-by-step explanation:
3/6 can be reduced down to 1/2, and 1/2+1/2=1, not 4/12.
<span>I guess the answer is 96m square because you need to multiply length by width</span>
1/3 for the first one, and 3/4 for the second one :)
POH is the -log [ OH- ]. Using this equation, simply find the -log of the OH- concentration to find the pOH:
pOH = - log ( 0.000086 ) = 4.07
