The 1st one
Well it's the same as normal exponents so you multiply 2/3 x 2/3 x 2/3 x 2/3 x 2/3
If this is supposed to be
Then this can simply be reduced to
by the double angle formula for cosine
Answer:
9^5
Step-by-step explanation:
the number you're multiplying stays the same and you add your powers I believe.
so it's basically 9•1 and the ^2+^3=^5
Answer:
i told you in the comment it equals 7
Step-by-step explanation:
Answer:
PMDAS
Step-by-step explanation: