77 / 1.54 = <span>£ </span>53.8461538
Check = 53.85 x 1.54 = 77
Step-by-step explanation:
(2*5)*4 = 10*4 = 40
2*(5*4) = 2*20 = 40
ANSWER:
- [ 12 / ( x - y ) ]
STEP-BY-STEP EXPLANATION:
= 12 / ( y - x )
= 12 / - ( x - y )
= - [ 12 / ( x - y ) ]
PH is calculated by the negative logarithm of the hydrogen concentration in a solution. Therefore, the pH in this case is:
pH = -log (0.0000006)
pH = 6.22
Therefore the correct answer among the choices is the last option, pH of 6 with a color pink.
I am thinking is C but I am still not sure