Question 144365
in problem 1) you have 
LOG B = (LOG 28.6 - LOG 0.987)^(1/3)
You then equate that to 
= (1.46204888)^(1/3)

It should be
LOG B = (1/3)(LOG 28.6 - LOG 0.987)
The rest of your process is correct. Try that and see if  that does it



2 is correct. What is not working for you there?