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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
Pre-Algebra
Integers & Absolute Values
Factors & Multiples
Prime Factorization
Basic Equations & Inequalities
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Quadratic Equations
Polynomials & Factoring
Functions & Graphs
Systems of Equations
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Trigonometric Functions
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Right Triangle Trigonometry
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Calculus
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$\sqrt{ 64000 }$$
Evaluate
$80\sqrt{10}\approx 252.982212813$
Solution Steps
Factor $64000=80^{2}\times 10$. Rewrite the square root of the product $\sqrt{80^{2}\times 10}$ as the product of square roots $\sqrt{80^{2}}\sqrt{10}$. Take the square root of $80^{2}$.
$$80\sqrt{10}$$
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