Ask your own question, for FREE!
Mathematics 21 Online
OpenStudy (anonymous):

cube root -9 (times) cube root -81

OpenStudy (watchmath):

9

OpenStudy (anonymous):

\[\sqrt[3]{-9}*\sqrt[3]{-81}=\sqrt[3]{729}=\sqrt[3]{9^3}=9\]

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!