Laws of Exponents

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Questions and Answers

What is the result of (3^2 × 3^4)?

  • 3^6
  • 3^8 (correct)
  • 3^(2 + 4)
  • 3^5

What is the value of (2 × 3)^2?

  • 2 × 3^2
  • 4 × 9 (correct)
  • 2^2 × 3^2
  • 2^2 × 3

What is the result of 2^5 ÷ 2^2?

  • 2^3
  • 2^(2 - 5)
  • 2^7
  • 2^(5 - 2) (correct)

What is the value of (3^2)^3?

<p>3^(2 × 3) (C)</p> Signup and view all the answers

What is the value of a^0?

<p>1 (A)</p> Signup and view all the answers

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Study Notes

Laws of Exponents

Product of Powers

  • When multiplying two or more exponential expressions with the same base, add the exponents:
    • a^m × a^n = a^(m + n)
  • Example: 2^3 × 2^4 = 2^(3 + 4) = 2^7

Power of a Product

  • When raising a product to a power, raise each factor to that power:
    • (ab)^m = a^m × b^m
  • Example: (2 × 3)^2 = 2^2 × 3^2 = 4 × 9 = 36

Quotient of Powers

  • When dividing two exponential expressions with the same base, subtract the exponents:
    • a^m ÷ a^n = a^(m - n)
  • Example: 2^5 ÷ 2^3 = 2^(5 - 3) = 2^2

Power of a Power

  • When raising an exponential expression to a power, multiply the exponents:
    • (a^m)^n = a^(m × n)
  • Example: (2^3)^2 = 2^(3 × 2) = 2^6

Zero Exponent Rule

  • Any nonzero number raised to the power of 0 is equal to 1:
    • a^0 = 1 (where a ≠ 0)
  • Example: 2^0 = 1

Laws of Exponents

Product of Powers

  • Multiplying exponential expressions with the same base involves adding the exponents.
  • Formula: a^m × a^n = a^(m + n)
  • Example: 2^3 × 2^4 = 2^(3 + 4) = 2^7

Power of a Product

  • Raising a product to a power involves raising each factor to that power.
  • Formula: (ab)^m = a^m × b^m
  • Example: (2 × 3)^2 = 2^2 × 3^2 = 4 × 9 = 36

Quotient of Powers

  • Dividing exponential expressions with the same base involves subtracting the exponents.
  • Formula: a^m ÷ a^n = a^(m - n)
  • Example: 2^5 ÷ 2^3 = 2^(5 - 3) = 2^2

Power of a Power

  • Raising an exponential expression to a power involves multiplying the exponents.
  • Formula: (a^m)^n = a^(m × n)
  • Example: (2^3)^2 = 2^(3 × 2) = 2^6

Zero Exponent Rule

  • Any nonzero number raised to the power of 0 is equal to 1.
  • Formula: a^0 = 1 (where a ≠ 0)
  • Example: 2^0 = 1

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