Exponents Day 1

Which is equivalent to 7 x 7 x 7 x 7 x 7 x 7 
?

• 7⁵
• 7⁶
• 6⁷
• 7⁷

The exponent equivalent of 20 x 20 x 20 is

• 20 x 3
• 20³
• 3²⁰

What is 21⁴ in expanded form?

• 21 x 21 x 21 x 21
• 21 x 4
• 4 times itself 21 times
• 21 x 4 x 4 x 4

(8⁵)³

• 8⁸
• 8¹⁵
• 8²
• 1/8²

Which value is equivalent to 5 x 5 x 5 x 5?

• 5³
• 5⁴
• 4⁵
• 5⁵

So what is  $\left(12^6\right)^4$  

•  $12^{10}$ 

•  $12^{24}$ 

•  $144^{10}$  

•  $144^{24}$  

One last concept:

when a base has an exponent and the whole thing is raised to another exponent, you MULTIPLY those exponents. Which of the following demonstrates this?

• $\left(x^5\right)^{3\ }=\ x^{15}$

• $\left(x^5\right)^3=x^8$

Which expression is equivalent to 3⁴?

• 3+3+3+3

• 4+4+4

• 4x4x4

• 3x3x3x3

 $10\times10\times10\times10\times10=$  

•  $10\times5$  

•  $10^5$  

 $10^3=$  

•  $10\times10\times10$  

•  $10\times3$  

•  $10+10+10$  

• 10,000