Determine Whether Natural Numbers, Whole Numbers, Integers, Rational Numbers, or All

question 115

Multiple Choice

Determine whether natural numbers, whole numbers, integers, rational numbers, or all real numbers are appropriate for
the situation.
-values of A given by the formula A =πr², where A is the area of a circle with radius r

• A) whole numbers
• B) all real numbers
• C) integers
• D) rational numbers

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Definitions:

Physical Sense

Relating to the perception or application of the laws of physics.

Unknown Substance

A material or compound whose identity, composition, or properties have not been determined.

Chemical Reaction

A process that involves rearrangement of the molecular or ionic structure of a substance, unlike a physical change that affects its physical properties only.

Products

Substances formed as a result of a chemical reaction.