Jared needs 2.4 micrograms of vitamin B-12 each day. Today, Jared drank a serving of milk containing 0.44 micrograms of B-12 and ate a lamb chop containing 1.224 micrograms of B-12. Which method can Jared use to find the number of micrograms of vitamin B-12 he still needs? Subtract 1.224 – 0.44 = 1.18, then subtract 2.4 – 1.18.
Subtract 1.224 – 0.44 = 0.784, then subtract 2.4 – 0.784.
Subtract 2.4 – 0.44 = 2.356, then subtract 2.356 – 1.224.
Subtract 2.4 – 0.44 = 1.96, then subtract 1.96 – 1.224.

the last one

Step-by-step explanation:

the values they gave you are 2.4, 1.224 & .44

subtract 2.4-.44=1.96 then subtract 1.96-1.224

45

step-by-step explanation:

30+15

answer:

the position of equilibrium will shift to the left.

step-by-step explanation:

the general equation for the dissociation of a weak base is

b + h₂o   ⇌   bh⁺ + oh⁻

according to le châtelier's principle, when a stress is applied to a system at equilibrium, the system will respond in a way that tends to relieve the stress.

if you apply a stress by adding more bh⁺ or oh⁻,   the system will respond by moving in a direction that gets rid of the added ions.

the position of equilibrium will shift to the left, forming more of the undissociated base.