Step-by-step explanation:
7*10^10=70,000,000
(70milion)
7*10^15=7000,000,000,000,000
Quotient of means divide (place division symbol where "and" is located)
-6 ÷ y or
Interpreting your expression as

when
approaches zero, the numerator approaches 3:

The denominator approaches 0, because 
Moreover, we have

So, the limit does not exist, because left and right limits are different:

Answer:
a
Step-by-step explanation:
i just took the test