Name the set(s) of numbers to which 1.68 belongs.

a. rational numbers
b. natural numbers, whole numbers, integers, rational numbers
c. rational numbers, irrational numbers
d. none of the above

my answer a)rational numbers

RATIONAL

It is indeed Rational good job!

To determine which set(s) of numbers 1.68 belongs to, we need to understand the different types of numbers.

a. Rational numbers: Rational numbers are numbers that can be expressed as a fraction in the form of p/q, where p and q are integers and q is not equal to 0. Examples of rational numbers include fractions like 1/2, 3/4, or whole numbers like 2, -5.

b. Natural numbers: Natural numbers are positive integers starting from 1. So, 1, 2, 3, and so on are natural numbers.

Whole numbers: Whole numbers are the set of natural numbers (including zero). So, 0, 1, 2, 3, and so on are whole numbers.

Integers: Integers are the set of all positive and negative whole numbers, including zero. So, ..., -3, -2, -1, 0, 1, 2, 3, ... are integers.

Rational numbers: Same as explained in option a.

c. Irrational numbers: Irrational numbers are numbers that cannot be expressed as fractions and have non-terminating, non-repeating decimals. Examples of irrational numbers include the square root of 2 (√2), pi (π), or e (2.71828...).

Given the number 1.68, it is a decimal that terminates and can be expressed as a fraction, which means it is a rational number. So, the correct answer is option a) rational numbers.

The School Subject is NOT 9th Grade. Clearly state the school subject so that the right volonteer teacher reads it.

Sra

Dina, Ross, Denis, Den, or whoever -

There is no need to keep switching names when you post questions. Please stop. All you do is create confusion.

Choose one name and stick with it.