Real Number Systems

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Front

Classify √13: Rational or Irrational?

Back

Irrational

Front

Can a number be both rational and irrational?

Back

No

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero.

Front

What are whole numbers?

Back

Whole numbers are non-negative numbers that include zero and all positive numbers without fractions or decimals.

Front

What are natural numbers?

Back

Natural numbers are the set of positive integers starting from 1, 2, 3, and so on.

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, typically in the form a × 10^n.

Front

Which is the correct scientific notation for 20350?

Back

2.035 x 10^4

Front

Order the following from greatest to least: 2.2, √5, 81%, 1/12, -2.02.

Back

√5, 2.2, 81%, 1/12, -2.02