How do you evaluate the power #(-1)^3#?

Answer 1

#-1#

Given:#" "(-1)^3" "=" "color(magenta)((-1)xx(-1))color(green)(xx(-1))#

When the signs are the same multiplying gives a plus giving: #color(magenta)((-1)xx(-1)=(+1))#

When the signs are different multiplying gives a minus giving: #color(magenta)(+1)color(green)(xx(-1))color(blue)( = -1)#

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Answer 2

Genesis Amaya

To evaluate the power $(-1)^3$ , simply raise $-1$ to the power of $3$ .

$(-1)^3 = (-1) \times (-1) \times (-1) = -1$

So, $(-1)^3$ equals $-1$ .

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.