Real Numbers

Which property is demonstrated by the equation a + b = b + a?

• Commutative Property

• Associative Property

• Distributive Property

• Identity Property

What is the result of adding a negative number to a positive number?

• Always negative

• Always positive

• Always zero

• Depends on the magnitude of the numbers

Which of the following is an example of a rational number?

• 0.75

• √2

• e (Euler's number)

• π (pi)

What is the value of 2^3?

• 6

• 8

• 9

• 12

Which of the following numbers is represented in scientific notation?

• 5/1000

• 0.005

• 5.0 x 10^3

• 5000

(a)  

Convert 56,000,000,000 from standard to scientific notation form.

• 5.6 x 10⁹

• 56 x 10^-9

• 56 x 10⁹

• 5.6 x 10¹⁰

8 x 5 = 5 x 8

• Associative Property
• Commutative Property
• Identity Property
• Distributive Property

What is commutative property?

• where the order of numbers matters

• where the order of numbers does not matter

• when everything is multiplied

• 28

• 54

• 64

• 16