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5.1 Number Systems
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卡片总数: 9 张•内容版本: v4•公开卡包•更新时间: 8/1/2026
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#1
正面 (问题)
Which set of numbers best describes the following? {…-2, -1, 0, 1, 2…}
背面 (解答)
Integers
#2
正面 (问题)
What symbol is given to the set of integers?
背面 (解答)
ℤ
#3
正面 (问题)
Which set of numbers does the symbol ℝ represent?
背面 (解答)
Real numbers
#4
正面 (问题)
Is -6 an integer?
背面 (解答)
Yes. Integers can be negative
#5
正面 (问题)
What set of numbers should be used for counting?
背面 (解答)
Natural numbers
#6
正面 (问题)
To which set of numbers does π belong?
背面 (解答)
Irrational
#7
正面 (问题)
Which set of numbers contains all real world quantities?
背面 (解答)
Real numbers
#8
正面 (问题)
What type of number is used to describe the numerical positions of objects in relation to others?
背面 (解答)
Ordinal numbers
#9
正面 (问题)
What is an Array ?
背面 (解答)
A finite set of related elements of the same data type , where each element is individually indexed