Understanding Exponents and Divisibility

The video reviews Module 9, covering exponents, prime factorization, and order of operations. It explains the properties of exponents, including zero exponents, and how to identify perfect squares. The video also discusses divisibility rules for numbers, differentiates between prime and composite numbers, and demonstrates methods for finding prime factorization using factor trees and ladder diagrams. Finally, it emphasizes the importance of following the order of operations in mathematical expressions.

What is the value of 7 squared?

• 49

• 21

• 77

• 14

If a number is raised to the power of zero, what is the result?

• The number itself

• 1

• 0

• Undefined

Which of the following is a perfect square?

• 25

• 99

• 2

• 20

What is the result of 9 squared?

• 18

• 36

• 81

• 27

According to the divisibility rule of 3, which number is divisible by 3?

• 126

• 125

• 124

• 123

Which number is divisible by 5?

• 32

• 67

• 89

• 45

What is the prime factorization of 60?

• 2 x 3 x 10

• 2 x 2 x 3 x 5

• 3 x 5 x 4

• 2 x 5 x 6

Which of the following is a prime number?

• 15

• 9

• 24

• 7

What is the result of 8 plus 3 squared?

• 25

• 64

• 11

• 17

In the expression 5 + 3 squared, what should be calculated first according to the order of operations?

• 5 + 3

• 3 squared

• 5 squared

• 5 x 3