Evaluate the expression: $5 - 8^{2}$ .

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Solution

Write $8^{2}$ as continued multiplication.
$\Rightarrow 8 \times 8 = 64$
Now,
$5 - 8^{2}$ $= 5 - 64$
$= - 59$
Hence, $5 - 8^{2} =$ $- 59$ .

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