Write <em>z</em> in exponential form:

Then taking the logarithm, we get

so a is the correct answer.
28.8 = 18x....divide both sides by 18, eliminating the 18 on the right side
28.8 / 18 = x
1.6 = x <==
Answer:
115,571,923,290.8
this is the answer will u mark me as brainlist
What you are going to do is multiply what you have in parenthesis by two the answer is 2Xsquared and 2Y to the fourth