Exploring Rational Expressions: Addition and Subtraction

Convert 34,500,000 from scientific notation to standard form.

• 3.45 x 10^9

• 3.45 x 10^6

• 3.45 x 10^7

• 3.45 x 10^8

What is the standard form of 4.07 x 10^-2?

• 0.0407

• 40.7

• 0.407

• 4.07

What is the difference in population between China (1,350,000,000) and Russia (143,000,000) in scientific notation?

• 1.207 x 10^10

• 1.207 x 10^11

• 1.207 x 10^9

• 1.207 x 10^8

Convert 3 and 1/3 to a decimal.

• 3.33333

• 3.3333

• 3.333

• 3.33

What is the approximate value of the square root of 10?

• 3.18

• 3.16

• 3.20

• 3.14

Convert -230% to a decimal.

• -2.333

• -2.3

• -2.30

• -2.33

Which number is greater than 0.3 but less than 0.5?

• 0.6

• 0.4

• 0.2

• 1.2

Convert 1/2 to a decimal.

• 0.3

• 0.5

• 0.4

• 0.2

Which point on the number line best represents the square root of 3?

• Between 2 and 3, closer to 3

• Between 1 and 2, closer to 1

• Between 1 and 2, closer to 2

• Between 2 and 3, closer to 2

Which of the following is a perfect square?

• Square root of 2

• Square root of 5

• Square root of 3

• Square root of 4