Math Exam

The Result of the exponent of 5³ is :

• 15

• 125

• 130

• 25

The exponent of the number 81 is:

• 9³

• 7²

• 9²

• 8⁹

2² + 2³=

The result is:

• 16

• 56

• 12

• 34

Select the corresponding power using numbers

Three to the power of four

• 3 + 4= 7

• 3⁴ = 81

• 3 x 4= 12

Solve the following operation

3² x 5² - 4² =

• 209

• 205

• 305

• 60

Descompose each number by using powers of ten.

89 025

solve the operation:



 $3\sqrt{125}=$  

•  $5^{3\ }=125$  

•  $5^2=125$  

•  $15^{3\ }=\ 125$  

•  $25^{3\ }=\ 125$  

Find the prime factors of

20

use prime factor trees

• 5, 2, 2

• 2, 3, 3, 2

• 5, 4

• 10, 2

Find the prime factor of the number

16

• 2, 2, 2, 2

• 8, 2

• 16, 1

• 4, 4

Select the prime numbers from the following numbers

select 3 prime numbers:

• 23

• 12

• 67

• 29