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
Step by step, with the reason for every step · Powers, square roots, absolute value · Foundations
Question: work out (−2)³.
(−2)³ means −2 times −2 times −2.
An odd number of minuses gives minus.
That is −8.
So the answer is −8.
Try this one yourself, then check: