2. Evaluate b^-3for b = 3.
•27
•1/9
•1/27
•-27

Answer:
[tex]\underline{ \boxed{ \frac{1}{27} }}[/tex]
Step-by-step explanation:
[tex]given \to \: b^{-3} \: \\ if \: b = 3. \to \\ 3^{-3} = \frac{1}{3 {}^{3} } = \underline{ \boxed{ \frac{1}{27} }}[/tex]
♨Rage♨
Answer:
If you mean 27/3 , then the answer is 3.
In fact, rational exponents work like this:
a b/c=Cxa^b
So, in your case,
27 1/3=3x27=3
because
3^3=27