Question

E Express 4^-3 is the power wch base 2

Answer 1

The answer is given below :

Now,

${4}^{ - 3} \\ = { {(2}^{2}) }^{ - 3} \\ = {2}^{ - 6}$

Rule :

$({{a}^{m}})^{n} = {a}^{mn}$

Thank you for your question.

Answer 2

Hey friend, Harish here.

Here is your answer:

We know that,

4 = 2². 

Then, 

$4^{-3} = (2^{2})^{-3}$

We know that,  (xᵃ)ᵇ = xᵃ ˣ ᵇ

Then,  

$(2^{2})^{-3} = 2^{-6}$

Therefore the base is 2.
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Hope my answer is helpful to you.