no
18 and all the multiples of 18.
It is 18 or 20
To the nearest integer, 18
No, 18 is not a square number because a square number is an integer that can be expressed as the product of an integer multiplied by itself. The square numbers closest to 18 are 16 (4 × 4) and 25 (5 × 5), and 18 does not fall between these two perfect squares. Additionally, there is no integer whose square equals 18.
No, 18 is both an integer and a whole number. Integers include positive and negative whole numbers, as well as zero, while whole numbers are non-negative integers. Since 18 is a non-negative integer, it fits into both categories.
18
18 and all the multiples of 18.
9
It is 18 or 20
To the nearest integer, 18
20
16 or 18
108
No, 18 is not a square number because a square number is an integer that can be expressed as the product of an integer multiplied by itself. The square numbers closest to 18 are 16 (4 × 4) and 25 (5 × 5), and 18 does not fall between these two perfect squares. Additionally, there is no integer whose square equals 18.
No, 18 is both an integer and a whole number. Integers include positive and negative whole numbers, as well as zero, while whole numbers are non-negative integers. Since 18 is a non-negative integer, it fits into both categories.
9
The positive integer factors of 18 are: 1 2 3 6 9 18 The positive integer factors of 7 are: 1 7 Since 7 is a prime number, the only positive integer common factors of the two numbers is the number 1.