Number Systems Flashcards
1
Q
The set N represents which set of numbers?
A
Natural {0, 1, 2, 3}
2
Q
The set Z represents which set of numbers?
A
Integers {…-2, -1, 0, 1, 2…}
3
Q
The set Q represents which set of numbers?
A
Rational (Any number that can be written as a fraction)
4
Q
The set R represents which set of numbers?
A
Real (Any real world quantity including root 2 and pi)
5
Q
What are irrational numbers?
A
Numbers that can’t be written as a fraction (root 2 or pi)
6
Q
What are ordinal numbers?
A
When objects are placed in order to tell their position
7
Q
What are natural numbers used for?
A
Counting
8
Q
What are real numbers used for?
A
Measurement
