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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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Algebra
Linear Equations & Inequalities
Quadratic Equations
Polynomials & Factoring
Functions & Graphs
Systems of Equations
Trigonometry
Trigonometric Functions
Trigonometric Identities & Equations
Right Triangle Trigonometry
Unit Circle
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
$$0.45\div(-100)$$
Evaluate
$-0.0045$
Solution Steps
Expand $\frac{0.45}{-100}$ by multiplying both numerator and the denominator by $100$.
$$\frac{45}{-10000}$$
Reduce the fraction $\frac{45}{-10000}$ to lowest terms by extracting and canceling out $5$.
$$-\frac{9}{2000}$$
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Factor
$-0.0045$
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