Contraction : 0.9 & 3/8
Expansion : -6 , 8/5 , & 5
I hope this helps !
D
If your pH is lower, it has more Hydronium ions
As a rule, for every decrease in pH, there is 10 times more H3O+ so since it is 4.1 there should be a bit more than 10^4. So it has to be D
Correct answer is B) 2 songs. You start out with 19.99. Add .99 to that and get 20.98 then add another .99 and get $21.97
Step-by-step explanation:
i fnu havw 3 its 7 but 7m gos into m so m divides into 1 x 6 x 4 x 9 l qx
