Answer :
Here the number is negative.
So during multiplication care has to be taken of the sign.
The basic rules are:
Negative Number × Negative Number = Positive
Negative Number × Positive Number = Negative Number
Positive Number × Positive Number = Positive Number
The cube of -10 can be written as follows:
⟹ -10 × -10 × -10
⟹ 100 × -10
= -1000
Hence (-10)3 = -1000
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