Mathematics Quiz

Which of the following numbers is a rational number?

• 3/4

• 0.333...

• π

• √2

Which of the following numbers is a rational number?

• 0.333...

• 3/4

• √2

• π

Which of the following numbers is an irrational number?

• 100

• 3.14

• 0.5

• √2

Express 5000000 in scientific notation.

• 5 x 10^6

• 5 x 10^7

• 500 x 10^4

• 50 x 10^5

Which of the following numbers is a rational number?

• π

• 3/4

• 0.333...

• √2

Express 0.00000075 in scientific notation.

• 0.75 x 10^-6

• 7.5 x 10^-8

• 7.5 x 10^-7

• 75 x 10^-8

Which of the following numbers is a rational number?

• 3/4

• 0.333...

• √2

• π

Which of the following numbers is an irrational number?

• 0.333...

• π

• √3

• 1/2

Express 0.000045 in scientific notation.

• 4.5 x 10^-5

• 45 x 10^-6

• 0.45 x 10^-4

• 450 x 10^-7

Which of the following numbers is a rational number?

• √3

• π

• 1/3

• 0.777...