Exponents

The video tutorial explains the concept of exponents, also known as powers, and demonstrates how to calculate them using examples like 3^4, 5^3, 2^5, and 7^3. It highlights common mistakes, such as multiplying the base by the exponent, and emphasizes the correct method of multiplying the base by itself the number of times indicated by the exponent. The tutorial also discusses the significance of exponents in real-life applications, such as programming, measuring earthquakes, and tracking decay.

What does the term 'exponent' signify in mathematics?

• The number of times a number is added to itself

• The number of times a number is subtracted from itself

• The number of times a number is divided by itself

• The number of times a number is multiplied by itself

If 3 is raised to the 4th power, what is the result?

• 81

• 243

• 12

• 27

What is the result of 5 raised to the 3rd power?

• 25

• 75

• 15

• 125

Which of the following is NOT a correct calculation of an exponent?

• 2 raised to the 5th power equals 32

• 5 raised to the 3rd power equals 125

• 7 raised to the 3rd power equals 21

• 3 raised to the 4th power equals 81

In which of the following fields are exponents commonly used?

• Programming computer games

• Music composition

• Painting techniques

• Cooking recipes