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Real Numbers

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Hi I need help on this

A helpful scientific calculator that runs in your web browser window.

Gives a detailed explanation of how to use interval notation, followed by numerous examples, from very simple to quite complex.

This page describes the sets of numbers, natural, whole, integers, rational, irrational and real numbers. Gives examples and organizes the information well.

Explains what Natural Numbers, Whole Numbers, Integers, Rational Numbers, Irrational Numbers, and Real Numbers are.

Practice Quiz on Real Numbers, their properties, and their operations

Description of Real Numbers and a practice section with hints and answers.

I want to practice using PEMA

Perform the indicated operation: (5x^3+6x^2-10x+3)+93x^3-7x-12)

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