8th CBSE Ch.12 Exponents and Powers

What do you call the number 4 in 2⁴ ?

• Base

• Exponent

What do you call the number 3 in 3² ?

• Base

• Exponent

How do you say 3³ in words?

• Three squared

• Three cubed

 $10\times10\times10\times10$  

Write the product as a POWER.

•  $4^{10}$  

•  $10^4$  

•  $40$  

•  $14$  

 $5^2$  x  $5^5$  =

Answer in exponential notation.

• 0

• 1

•  $5^3$  

•  $5^7$  

 $m^7$  x  $m^3$  =

Answer in exponential notation.

•  $m^{21}$  

•  $m^{10}$  

•  $m^4$  
  
  

• None of the above.

 $\frac{\left(-5^7\right)}{\left(-5^2\right)}$  

What is the answer in exponent form.

•  $-5^5$  

•  $-5^9$  

•  $1^5$  

• 0

 $\left(3t^4\right)^3$  

Simplify to lowest terms.

•  $3t^{12}$  

•  $27t^{-12}$  

•  $3^3t^{12}$  

•  $27t^{12}$  

3⁻⁴

• 1 ⁄ 3⁴
• -3⁴
• 3⁴
• 1 ⁄ 12

Which is greater,  2654⁰ or 5⁰?

• 2654⁰
• 5⁰
• They are the same
• Zero is greater