The exponential function that process by * (- 2, 9)

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b