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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
Pre-Algebra
Integers & Absolute Values
Factors & Multiples
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Basic Equations & Inequalities
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Polynomials & Factoring
Functions & Graphs
Systems of Equations
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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
$$21|91$$
Evaluate
$1911$
Solution Steps
The absolute value of a real number $a$ is $a$ when $a\geq 0$, or $-a$ when $a<0$. The absolute value of $91$ is $91$.
$$21\times 91$$
Multiply $21$ and $91$ to get $1911$.
$$1911$$
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Factor
$3\times 7^{2}\times 13$
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