MathTips
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How to Write Interval Notation: A Beginner’s Guide
Expressing Intervals Using Parentheses, Brackets, and Infinity Symbols When writing interval notation, it’s important to use the correct symbols to represent the endpoints of the interval. The three main symbols used in interval notation are parentheses, brackets, and infinity symbols. Parentheses are used to represent an endpoint that is not included in the interval. For example, the interval (1, 5)…
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How to Multiply a Whole Number by a Fraction
Understanding the Basics of Multiplying Whole Numbers and Fractions When multiplying a whole number by a fraction, it’s important to understand the basics of multiplying these two types of numbers. A whole number represents a complete unit, while a fraction represents a portion of a unit. To multiply a whole number by a fraction, you need to know how to…
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