Exponent Rules for Grade 8: Key Concepts and Vocabulary

This video tutorial introduces the concept of exponents and bases, explaining how exponents indicate the number of times a base is multiplied by itself. It covers the rules for multiplying and dividing powers of ten, including adding and subtracting exponents. The video also explains raising a power to another power by multiplying exponents. Finally, it introduces the zero exponent rule, stating that any number to the zero power equals one.

What is the base in the expression 5 to the 3rd power?

• None of the above

• 3

• 5

• 15

What does an exponent tell you?

• The total multiplication result

• The addition of the base

• The number of bases to multiply

• How many times to multiply the base

What is 10 to the 5th power times 10 to the 2nd power?

• 100 to the 2nd power

• 20 to the 7th power

• 10 to the 7th power

• 10 to the 10th power

When multiplying powers of 10, what do you do with the exponents?

• Multiply them

• Divide them

• Add them together

• Subtract them

What is the result of raising 10 to the 4th power to the power of 3?

• 10 to the 12th power

• 10 to the 7th power

• 30 to the 4th power

• 10 to the 3rd power

When raising a power to another power, what operation is performed on the exponents?

• Addition

• Subtraction

• Multiplication

• Division

What is the result of 10 to the 9th power divided by 10 to the 3rd power?

• 10 to the 12th power

• 10 to the 6th power

• 10 to the 9th power

• 10 to the 3rd power

When dividing powers of 10, what operation do you perform on the exponents?

• Addition

• None of the above

• Subtraction

• Multiplication

What does 10 to the 0 power equal?

• 10

• Undefined

• 0

• 1

Why does dividing 10 to the 6th power by 10 to the 0 power not change its value?

• Because 10 to the 0 power is undefined

• Because 10 to the 0 power equals 10

• Because 10 to the 0 power equals 0

• Because 10 to the 0 power equals 1