4.2
×
10
7
)
÷
(
7
×
10
4
)

Rename mixed numbers before you can subtract are what

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

Who long does it take to drive 150 miles at 45 miles per hour