Powers and Exponents Review

Evaluate: 6 + 2⁶ . Write the value in standard form.

• 6

• 12

• 18

• 70

Tags

CCSS.6.EE.A.1

Select the correct symbol to complete a true statement:

(−3)⁴ ... (-4)³ .

• =

• <

• >

• ^

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

A scientist estimates that, after a certain amount of time, there would be 2⁵ . 3³ .10⁵ bacteria in a Petri dish. How many bacteria is this? Write your answer in standard form.

• 10

• 27,000

• 100,000

• 86,400,000

Tags

CCSS.6.EE.A.1

Which of the expressions shown evaluate to negative rational numbers? Select all that apply.

• (-9)⁴

• (-4/5)³

• (-3/8)²

• 3⁵ - 10⁴

• (9.8)² - 10²

Tags

CCSS.8.EE.A.1

How many more species of palm tree are there than maple tree?

• 2,872

• 3000

• 128

• 24

Tags

CCSS.7.EE.B.3

The table shows the approximate number of lakes in two different states.

How many more lakes does Florida have than Minnesota?

__ lakes

• 30,000

• 8,720

• 21,800

• 8,200

Tags

CCSS.4.OA.A.3

Identify Structure Without evaluating, explain why (−8.4)⁵ is less than 2² .

Even though the exponent is greater in (−8.4)⁵ , the base is multiplied five times. Multiplying a negative number five times results in a .......... product.

Any negative number is .......... 2² or 4.

• positive

• negative

• less than

• greater than

• equal to

Tags

CCSS.6.EE.A.1

Which of the following correctly identifies if the statement is true or false and provides the correct justification? The expressions (−x)^y and −x^y have the same value.

• True; Both expressions are raising –x to the y power.

• False; The base, –x, is used as a factor y times. The expression –x^y, means the opposite of x^y.

• False; The base x is used as a factor y times in both expressions.

• True; The base, –x, is used as a factor y times. The expression –x^y, means the opposite of x^y.

Tags

CCSS.8.EE.A.1

Which expression is NOT equivalent to x⁴?

Tags

CCSS.8.EE.A.1

Tags

CCSS.8.EE.A.1