Number System

Identify which of the following numbers is a rational number: 0.75, √2, -5, 1/3

• -5

• 0.75, 1/3

• 2/3

• √2

Convert the fraction 3/4 to a decimal.

• 0.25

• 0.5

• 0.75

• 1.25

Perform the operation -8 + 5.

• -3

• 2

• -2

• 0

What is the absolute value of -10?

• -5

• 10

• 0

• -10

Convert the fraction 2/5 to a decimal.

• 0.6

• 0.8

• 0.4

• 0.2

Calculate the result of -12 - 7.

• -5

• -10

• -20

• -19

Determine the absolute value of -3.

• -3

• 3

• -2

• 0

Select the rational number from the options: 0.6, √5, -4, 3/2

• √5

• 0.6

• -4

• 3/2

Express the fraction 5/8 as a decimal.

• 0.625

• 0.58

• 0.75

• 0.53