F.1 - 1.2 Power and Prime Factorization

F.1 - 1.2 

Power and Prime Factorization

Watch the Video and Answer the Questions

Multiple Choice

 $4^3=$  

• 12

• 43

• 64

• 81

Multiple Choice

 $2^4\times3^2=$  

•  $2\times2\times2\times2\times3\times3$  

•  $2\times2\times2\times4\times4$  

•  $3\times3\times4\times4$  

•  $6\times6\times6\times6\times6\times6$  

Multiple Choice

The cube of 5 means

• $2^5$

• $3^5$

• $5^2$

• $5^3$

Watch the Video and Answer the Questions

Multiple Choice

Which of the following is a prime number?

• 15

• 29

• 36

• 49

Multiple Choice

Which of the following is NOT a prime number?

• 31

• 33

• 41

• 43

Multiple Select

Which of the following is/are factor(s) of 22? (There may be more than 1 answer.)

• 2

• 3

• 4

• 11

• 22

Multiple Select

Which of the following are prime factors of 30? (There are more than 1 answer.)

• 2

• 3

• 5

• 10

• 15

Multiple Choice

Which of the following express 20 as a product of prime factors?

• $20=4\times5$

• $20=2\times10$

• $20=2\times2\times5$

• $20=3+5+5+7$

Multiple Choice

Which of the following express 72 as a product of prime factors in index notation?

• $2^3\times3^2$

• $2\times2\times2\times3\times3$

• $2^2\times3^3$

• $2\times2\times3\times3\times3$

Multiple Choice

 $2+2+2+2+2\times2\times2=$  

•  $2^4$  

•  $2^5$  

•  $2^6$  

•  $2^7$