Unit 1 Re-test

Place the numbers in order from least to greatest

• π, 31%, -0.32, 1/3, 3.1

• -0.32, 31%, 1/3, 3.1, π

• -0.32, 1/3, 31%, 3.1, π

• -0.32, 31%, 1/3, π, 3.1

Order the following numbers from least to greatest.

• -.8, -.63, -.6, -.72

• -.6, -.63, -.72, -.8

• -.8, -.72, -.63, -.6

• Natural

• Whole

• Integer

• Rational

• Irrational

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

Express the following in scientific notation:

.000457

• 457 x 10⁶

• 457 x 10^-6

• 4.57 x10⁴

• 4.57 x 10^-4

Convert to scientific notation:

520,000,000

• 52 x 10⁷

• 5.2 x 10^-7

• 5.2 x 10⁸

• 0.52 x 10⁹

• irrational number

• rational number

• natural number

• whole number

• integer

Which of the following is a whole number?

• 9

What is the best classification for this number?  
π

• integer
• rational
• irrational
• imaginary