semester 2 final revision a2h Flashcards
1
Q
Natural Numbers
A
Positive full numbers
2
Q
Whole Numbers
A
Zero and natural numbers (positive full numbers)
3
Q
Integers
A
Whole numbers and their opposites (-)
4
Q
Rationals
A
Can be written as a fraction of two integers
5
Q
Irrationals
A
Cannot be written as a fraction of two integers and infinite decimals that don’t repeat like pi
6
Q
Real Numbers
A
number that doesn’t have i
7
Q
Imaginary Numbers
A
is just i (i^2 = -1)
8
Q
Prime Numbers
A
Factors are only 1 and itself
9
Q
Digits
A
Whole numbers 0-9
