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Basic Math
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Fractions & Decimals
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Percentages
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Integers & Absolute Values
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Trigonometric Functions
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$\sqrt{18}$$
Evaluate
$3\sqrt{2}\approx 4.242640687$
Solution Steps
Factor $18=3^{2}\times 2$. Rewrite the square root of the product $\sqrt{3^{2}\times 2}$ as the product of square roots $\sqrt{3^{2}}\sqrt{2}$. Take the square root of $3^{2}$.
$$3\sqrt{2}$$
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