Question

pH = -log [1.2 × 10-3]

pH = 2.92

how do you type this into the calculator and get that answer?

Answer 1

which calc do u have?

Answer 2

\[2.92 = - \log(1.2 * 10^{-3})\]
where's the variable? o_O

Answer 3

scientific. its on my computer

Answer 4

variable?

Answer 5

this is all I was given

Answer 6

press 1.2x10^-3
and then press log answer
and then press -answer
Ehh that's the way i get the answer using my calculator

Answer 7

oh now i get it

Answer 8

SO, its that button that looks like x with y as the exponent?

Answer 9

https://www.google.com.pk/webhp?sourceid=chrome-instant&ix=sea&ie=UTF-8&ion=1#hl=en&safe=off&output=search&sclient=psy-ab&q=1.2%20*%2010%5E-3&oq=&aq=&aqi=&aql=&gs_l=&pbx=1&fp=985957d8efd6e7f9&ix=sea&ion=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&biw=1280&bih=695

Answer 10

if you meant \[x^y\]
then x=10, y=-3
and multiply it by 1.2

Answer 11

https://www.google.com.pk/webhp?sourceid=chrome-instant&ix=sea&ie=UTF-8&ion=1#hl=en&safe=off&sclient=psy-ab&q=-log(1.2+*+10%5E-3)&oq=-log(1.2+*+10%5E-3)&aq=f&aqi=&aql=&gs_l=hp.3...2836l74685l0l74924l7l7l0l0l0l2l414l1918l3-3j2l5l0.frgbld.&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=985957d8efd6e7f9&ix=sea&ion=1&biw=1280&bih=695

Answer 12

with, http://www.google.com.pk/imgres?um=1&hl=en&safe=off&biw=1280&bih=695&tbm=isch&tbnid=RgezjptQadkGAM:&imgrefurl=http://knowyourmeme.com/memes/trollface-coolface-problem&docid=Bmb-7Uvd7Yxf2M&imgurl=http://i0.kym-cdn.com/photos/images/original/000/096/044/trollface.jpg%253F1296494117&w=640&h=640&ei=DFR0T-DrEfDS4QSk4-D1DQ&zoom=1&iact=hc&vpx=183&vpy=178&dur=425&hovh=225&hovw=225&tx=74&ty=150&sig=104600257081545160052&page=1&tbnh=150&tbnw=151&start=0&ndsp=18&ved=1t:429,r:0,s:0

Answer 13

got it now!

Answer 14

Thanks guys