Indices, powers and roots

The result of power expression $5^4$ is...

• 20

• 25

• 125

• 625

Tags

CCSS.6.EE.A.1

The simple form of $\left(3^5\right)^2\div3^7$ using the law of indices is...

•  $3^3$  

•  $3^0$  

•  $3^{-4}$  

•  $3^{10}$  

Tags

CCSS.8.EE.A.1

Which of the following is a perfect square number?

• 9

• 12

• 15

• 20

Tags

CCSS.6.EE.A.1

What is the square root of 49?

• 7
• 8
• 6
• 5

Tags

CCSS.8.EE.A.2

Solve for x.

• x = 4/3

• x = 9/4

• x = 9/16

• x = 3/16

Tags

CCSS.8.EE.A.2

Between which two consecutive integers does the square root of 87 lie?

• 8 and 9

• 9 and 10

• 7 and 8

• 8 and 10

Tags

CCSS.8.NS.A.2

What is the cube root of 27?

• 9
• 3
• -3
• -9

Tags

CCSS.6.EE.A.1

The number 512 is a perfect cube because 512 = 8³.

Which number below is also a perfect cube?

• 125

• 300

• 150

• 256

Tags

CCSS.8.EE.A.2

Which of the following is NOT a perfect square?

• 1
• 4
• 100
• 8

Tags

CCSS.6.EE.A.1

 $\sqrt{\frac{64}{25}}=\frac{y}{5}$  
What is y?

• 4

• 8

Tags

CCSS.8.EE.A.2