Steply

Calculate (-2)^3

Step by step, with the reason for every step · Powers, square roots, absolute value · Foundations

Step by step

The question

Question: work out (−2)³.

(−2)3

1 Work out the power

(−2)³ means −2 times −2 times −2.

An odd number of minuses gives minus.

(−2)3 = (−2) × (−2) × (−2) = −8

That is −8.

= −8

So the answer is −8.

Answer
= −8

Your turn

Try this one yourself, then check:

Work out (−4)2
Show the answer
16

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