5.1 Number Systems Flashcards
1
Q
Which set of numbers best describes the following?
{…-2, -1, 0, 1, 2…}
A
Integers
2
Q
What symbol is given to the set of integers?
A
ℤ
3
Q
Which set of numbers does the symbol ℝ represent?
A
Real numbers
4
Q
Is -6 an integer?
A
Yes. Integers can be negative
5
Q
What set of numbers should be used for counting?
A
Natural numbers
6
Q
To which set of numbers does π belong?
A
Irrational
7
Q
Which set of numbers contains all real world quantities?
A
Real numbers
8
Q
What type of number is used to describe the numerical positions of objects in relation to others?
A
Ordinal numbers
9
Q
What is an Array ?
A
A finite set of related elements of the same data type , where each element is individually indexed
