Question

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

Answer 1

Answer:

$\underline{ \boxed{ \frac{1}{27} }}$

Step-by-step explanation:

$given \to \: b^{-3} \: \\ if \: b = 3. \to \\ 3^{-3} = \frac{1}{3 {}^{3} } = \underline{ \boxed{ \frac{1}{27} }}$

♨Rage♨

Answer 2

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