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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
Trigonometry
Trigonometric Functions
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Right Triangle Trigonometry
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Graphing Trigonometric Functions
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
$$\sqrt{ 117 }$$
Evaluate
$3\sqrt{13}\approx 10.816653826$
Solution Steps
Factor $117=3^{2}\times 13$. Rewrite the square root of the product $\sqrt{3^{2}\times 13}$ as the product of square roots $\sqrt{3^{2}}\sqrt{13}$. Take the square root of $3^{2}$.
$$3\sqrt{13}$$
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