Comparing Ordering Real Numbers Percent Change

Put in the symbol to make the statement true...
-17.5   _________ -√121

• >

• <

• =

Which comparison symbol should be placed between the two numbers?
-1.98                 -1.97

• <

• >

• =

Place numbers in order from greatest to least.

• 81%, √5, 2.2, 1/12, -2.02

• -2.02, √5, 2.2, 1/12, 81%

• √5, 2.2, 81%, 1/12, -2.02

• -2.02, 2.2, 81%, √5, 1/12

Which of the following numbers is the least?

• 7 x 10⁸

• 7.1 x 10⁸

• 7 x 10⁹

• 7.1 x 10⁹

Answer the question in the image.

• A

• B

• C

• D

What is the percent change when a quantity increases from 100 to 150?

• 25%

• 50%

• 75%

• 100%

Calculate the percent change from 50 to 75.

• 25%

• 50%

• 75%

• 100%

The value of a new iphone is $550, but after a year or two of use the value drops to $300. What is the percent change in the value of an iPhone?

Compare using < or > or =
80% of 60 _____  60% of 80

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• <

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Find the percent change from 28 to 42.

• 50% decrease

• 50% increase

• 33% decrease

• 33% increase