What is the pOH of a solution having [H+] = 5.2 x 10^-8

1.) 21

2.) 0.453

3.) 1.5

4.) 48

5.) $ 22

step-by-step explanation:

answer: given the scale 3,5 mm to 1 foot: so you know this and you need convert this 150mm to get the right answer.

triangle eg 7.5 × cos "a" or 7.5 × sin "b" or 6 tan"a"