Quiz 1-2 REVIEW

Which is larger? √20 or √26

• √20
• √26

Which is equivalent to 5 x 5 x 5 x 5

• 5³
• 5⁴
• 4⁵
• 5⁵

Jamie used a microscope to measure the diameter of a hair.  She found the diameter to be 0.000072 meters.  How is this number written in scientific notation?

• 7.2 X 10⁻⁵
• 7.2 X 10⁵
• 7.2 X 10⁶
• 7.2 X 10⁻⁶

What is seven squared?

• 18
• 24
• 49
• 80

The square root of 256 is...

• 15
• 18
• 13
• 16

List the following numbers from least to greatest:

-64 , 3.5 , √27 , 6.666...

• -64 , 3.5 , √27 , 6.666...

• 3.5 , √27 , 6.666..., -64

• 3.5, -64, √27, 6.666...

• 6.666, √27, -64, 3.5

What is scientific notation?

• A long way to write really short  numbers
• A short way to write really long numbers
• I don't know...
• None of the above

3. Which list of numbers is in order from least to greatest?
A. 5/8,  9/16,  5/12
B. 5/12,  9/16,  5/8
C. 9/16,  5/12,  5/8
D. 9/16,  5/8,  5/12

• A
• B
• C
• D

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

x^-4

• 1/x⁴
• 4x
• 4/x⁴
• -1/x^-4