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Expanding a Rational Number Using Powers

Evaluate :xi ...

Question

Evaluate :

xi) $6.3 \div (0.3)^{2}$

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Solution

Step: Evaluate
Given: $6.3 \div (0.3)^{2}$
$\Rightarrow 6.3 \div (0.3)^{2} = \frac{6.3}{(0.3)^{2}}$
$= \frac{6.3}{0.09}$
$= \frac{6.3 \times 100}{0.009 \times 100}$
$= \frac{630}{9}$
$∴ 6.3 \div (0.3)^{2} = 70$

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