Question 1 of 5
What type of number is 0? Choose all answers that apply.
A
Whole number
B
Integer
C
Natural number
Why: 0 is a **whole number** because whole numbers include 0 and all positive integers (W = {0, 1, 2, 3, ...}). 0 is also an **integer** because integers include positive numbers, negative numbers, and zero (Z = {..., -2, -1, 0, 1, 2, ...}). However, 0 is **not a natural number** because natural numbers start from 1 (N = {1, 2, 3, ...}). Thus, options A and B are correct.[7]
Question 2 of 5
Write the three whole numbers occurring just before 1001.
Why: Whole numbers form a sequence starting from 0 with no upper limit. The predecessor of any whole number n (where n > 0) is n-1. Thus, predecessors of 1001 are directly 1000, 999, 998.[5]
Question 3 of 5
How many whole numbers are there between 33 and 54?
Why: The formula for counting whole numbers strictly between two numbers a and b (a < b) is b - a - 1. Here, 54 - 33 - 1 = 20, matching the listed numbers.[5]
Question 4 of 5
Insert the appropriate sign (>, <, or =) between 5892346 and 43896211.
Why: Direct digit comparison shows 5 < 4 in the millions place, confirming 5892346 < 43896211.[1]
Question 5 of 5
List all numbers from the set {-3, 0, 1.5, √2, 4, -1/2} that are: a) natural numbers, b) whole numbers, c) integers.
Why: Classification based on standard set definitions: natural exclude 0 and negatives, whole add 0, integers add negatives.[6]
