Understanding Real Numbers

What is the sum of 3.5 and 2.7?

• 6.2

• 7.1

• 5.0

• 6.5

Calculate the product of -4 and 0.5.

• -2

• -1

• 0

• 2

What is the absolute value of -7?

• 7.5

• -7

• 7

• 0

If x = 2.3 and y = -1.5, what is x + y?

• 0.5

• 1.5

• -3.8

• 0.8

Find the difference between 5.6 and 3.2.

• 2.4

• 4.2

• 3.0

• 1.8

What is the quotient of 9.0 and -3.0?

• 0.0

• -3.0

• -9.0

• 3.0

Calculate the square of -3.2.

• 3.2

• 10.24

• -10.24

• 9.6

If a = 4.5 and b = 2.5, what is a - b?

• 1.5

• 5.0

• 2.0

• 3.0

What is the result of 6.0 divided by 2.0?

• 4.0

• 2.0

• 1.5

• 3.0

Find the sum of -1.5 and 1.5.

• -3

• 0

• 1

• 2.5