Exponents and Surface Area Concepts

The video tutorial covers lesson 14 on evaluating expressions with exponents. It begins with an introduction to the topic, followed by a detailed explanation of calculating the surface area of a cube. The teacher compares two students' methods for calculating surface area, emphasizing the importance of the order of operations. The lesson then moves on to evaluating various expressions with exponents, demonstrating different methods to arrive at the same solution. The tutorial concludes with a summary and an invitation for students to ask questions.

What is the main focus of lesson 14?

• Learning about fractions

• Calculating volume of spheres

• Evaluating expressions with exponents

• Understanding linear equations

How did Jada calculate the surface area of the cube?

• 6 times 100 squared

• 10 times 10 squared

• 6 times 10 cubed

• 6 times 10 squared

What mistake did Noah make in his calculation?

• He forgot to square the side length

• He used the wrong formula

• He added instead of multiplying

• He multiplied before squaring

What is the correct order of operations when dealing with exponents?

• Exponentiation before multiplication

• Multiplication before exponentiation

• Addition before exponentiation

• Subtraction before exponentiation

What is the result of 5 squared plus 4?

• 30

• 25

• 29

• 24

What is 2 to the fourth power?

• 16

• 8

• 4

• 32

What is the result of 3 times 4 squared?

• 48

• 36

• 12

• 64

What is the value of 2 to the third power?

• 4

• 10

• 6

• 8

What is the result of 6 to the first power times 3?

• 6

• 12

• 9

• 18

What is the result of one ninth times 1 to the third power?

• 1/72

• 1/27

• 1/8

• 1/9