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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
Pre-Algebra
Integers & Absolute Values
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Polynomials & Factoring
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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
$$\sqrt{ 81000 }$$
Evaluate
$90\sqrt{10}\approx 284.604989415$
Solution Steps
Factor $81000=90^{2}\times 10$. Rewrite the square root of the product $\sqrt{90^{2}\times 10}$ as the product of square roots $\sqrt{90^{2}}\sqrt{10}$. Take the square root of $90^{2}$.
$$90\sqrt{10}$$
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