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Basic Math
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Basic Number Theory
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Integers & Absolute Values
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$\sqrt{27}+3$$
Evaluate
$3\sqrt{3}+3\approx 8.196152423$
Solution Steps
Factor $27=3^{2}\times 3$. Rewrite the square root of the product $\sqrt{3^{2}\times 3}$ as the product of square roots $\sqrt{3^{2}}\sqrt{3}$. Take the square root of $3^{2}$.
$$3\sqrt{3}+3$$
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