Answer: 1/6^3 AND 1/216
Step-by-step explanation:
A negative number always goes to the denominator to become positive.
Your doctor wants you to take 12 tablets per day.
Each tablet is 250 mg, so 4 tablets make 1g.
4 tablets x 3g = 12 tablets a day
12.

13.

16.

is already in simplest form.