Evaluate the expression ${(- 4)}^{2}$ .

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Solution

Product of intergers:
${(- 4)}^{2}$ in continued multiplication.
$= (- 4) (- 4)$
It is multiplication of two negative integers.
The product of two negative integers is positive.
$(- 4) (- 4) = + 16$
Hence,the value of ${(- 4)}^{2}$ is $16$ .

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