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Otrada [13]
3 years ago
12

Which is the value of this expression when j = negative 2 and k = negative 1?

Mathematics
2 answers:
Minchanka [31]3 years ago
7 0

Answer:

The answer is A.

Step-by-step explanation:

I did the test, and I also solved it. Its the only logical answer.

Natalija [7]3 years ago
3 0

Answer:

Option A.

Step-by-step explanation:

It is given that

j=-2, k=-1

The given expression is

\left(\dfrac{jk^{-2}}{j^{-1}k^{-3}}\right)^3

Substitute the given values in the above expression.

\left(\dfrac{(-2)(-1)^{-2}}{(-2)^{-1}(-1)^{-3}}\right)^3

\Rightarrow \left(\dfrac{(-2)(1)}{\dfrac{1}{-2}(-1)}\right)^3

\Rightarrow \left(\dfrac{-2}{\dfrac{1}{2}}\right)^3

\Rightarrow \left(-4\right)^3

\Rightarrow -64

Therefore, the correct option is A.

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