Home Chapter 24 Practice Test

# Practice Test

Developing Concepts of Exponents, Integers, and Real Numbers

This activity contains 9 questions.

## A whole-number exponent simply means

 The variable is now considered a polynomial Multiply the base number times the exponent That a symbol is expressing the sum of the exponent Repeatedly multiply a number times itself

## Scientific notation developed out of a need to

 include a meaningful procedure for converting numbers explain the purpose of a negative exponent express very large and very small numbers more easily explain the display from a scientific calculator

## Methods of explaining the conceptual process of addition and subtraction of integers include all of the following EXCEPT

 relating addition to whole-number addition number line models with arrows or colored segments using procedural rules to solve the problems models that use counters of two different colors

## When working with the number --10 and + 10 all of the following statements will be true EXCEPT

 when subtracting these numbers, the order does not matter the magnitude of each number is 10 the pair of numbers are considered opposites of each other the numbers are the same distance from zero

## Explain the difference between rational and irrational numbers.

 To create paragraphs in your essay response, type

at the beginning of the paragraph, and

at the end.