Question

Which statement is true about the relationships between the number sets?

1. Whole numbers include all natural numbers and 0
2. Some irrational numbers are also integers
3. All rational numbers are also integers
4. Not all natural numbers are real numbers

Answer 1

Which of the following is true about -9 ?

1. It is both an integer and a whole number
2. It is an integer but not a rational number
3. It is a whole number but not an integer
4. It is an integer but not a whole number

Answer 2

A sign in a gas station advertises gas at the rate of $3.39 9/10 per gallon. How many dollars does a gallon cost, writing the price strictly as a decimal?

Answer 3

Which set of number is always rational?

1. Integers
2. Positive numbers
3. Fractions
4. Decimals