High school math help please!!

Answer:
um its not and option but i am assuming you are trying to mulitply 81 by -3/2 right?
Step-by-step explanation:
first you times 81 by -3 and you get -242
then you divide -243 by 2 and get-121
Answer:
[tex]\frac{1}{729}[/tex]
Step-by-step explanation:
81 times itself -1.5 is 729