Question

find the value of 2-³​

Answer 1

Answer:

(The value of 2-³ is -8)...

Step-by-step explanation:

》-2×-2×-2

》4×-2

》-8(ANS).....

Answer 2

SOLUTION

TO DETERMINE

The value of

$\displaystyle \sf{ {2}^{ - 3} }$

EVALUATION

We have to find the value of

$\displaystyle \sf{ {2}^{ - 3} }$

We are aware of the formula on indices that

$\displaystyle \sf{ {a}^{ - m} = \frac{1}{ {a}^{m} } }$

Using above formula we get

$\displaystyle \sf{ {2}^{ - 3} }$

$\displaystyle \sf{ = \frac{1}{ {2}^{ 3}} }$

$\displaystyle \sf{ = \frac{1}{ 2 \times 2 \times 2} }$

$\displaystyle \sf{ = \frac{1}{ 8} }$

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