Scientific Notation Review

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-8

• 5.64 x 10^-7

• 5.64 x 10⁸

• 5.64 x 10⁷

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• True

• False

Multiply the numbers 6.022 x 10²³ and 23. Express your answer in scientific notation.

• 6.022 x 10²³

• 138 x 10²²

• 1.38 x 10²⁵

• 138 x 10²³

67 / 6.022 x 10²³ = ? (express your answer in scientific notation)

• 11.1 x 10²³

• 1.11 x 10 ²²

• 1.11 x 10^-22

• what

6.022 x 10²³ * 34 = ? (Notice the * means multiply)

• 68

• 2.05 x 10^-25

• 2.04 x 10²⁵

• 2.05 x 10²⁵

When a number is written in scientific notation and the exponent is negative, the number is:

• Bigger than 1

• smaller than 1

What does 5.4 x 10^-4 equal to?

• 54000

• 5.4

• 0.00054

• 2

Convert the number 0.00089 to scientific notation.

• 8.9 x 10^-3

• 8.9 x 10^-4

• 8.9 x 10^-5

• 8.9 x 10^-6

Which of the following numbers is correctly written in scientific notation?

• 500 x 10¹

• 50 x 10²

• 5 x 10³

• 0.5 x 10³

Express 3.2 x 10⁵ divided by 4 in scientific notation.

• 0.8 x 10⁴

• 0.8 x 10⁵

• 8 x 10⁵

• 8 x 10⁴