How to simplify an expression using rules of exponents

The video tutorial explains how to divide numbers and apply rules for exponents. It covers the process of subtracting exponents when dividing numbers with the same base and addresses the issue of negative exponents in monomials, providing a method to convert them into positive exponents by placing them in the denominator.

What is the result of dividing 21 by 7?

• 4

• 3

• 2

• 1

When dividing terms with the same base, what operation is performed on the exponents?

• Divide the exponents

• Subtract the exponents

• Multiply the exponents

• Add the exponents

Which of the following can be divided using the exponent rule?

• X^4 / Y^4

• W^5 / W^4

• W^5 / X^5

• X^5 / W^5

What is the result of W^5 divided by W^4?

• W^20

• W^9

• W^1

• W^0

How can a negative exponent be made positive?

• By adding 1 to the exponent

• By placing it in the denominator

• By multiplying by zero

• By subtracting 1 from the exponent