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Introduction to Decimals

Find the valu...

Question

Find the value of $\frac{7.98 \times 7.98 - 2.02 \times 2.02}{5.96}$

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Solution

$\frac{7.98 \times 7.98 - 2.02 \times 2.02}{5.96}$
$= \frac{(7.98 + 2.02) (7.98 - 2.02)}{5.96} = \frac{10 \times 5.96}{5.96} = 10$

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