Math Problem Statement

Simplify the following expressions using the law of exponents

Solution

The given expression is:

(2x2)4(2x^2)^{-4}

Simplification Using the Laws of Exponents:

  1. Apply the exponent to both the constant and the variable: Using the law of exponents (ab)n=anbn(ab)^n = a^n \cdot b^n, we distribute the exponent 4-4 to both 22 and x2x^2.

    (2x2)4=24(x2)4(2x^2)^{-4} = 2^{-4} \cdot (x^2)^{-4}

  2. Simplify each term:

    • 24=124=1162^{-4} = \frac{1}{2^4} = \frac{1}{16}
    • (x2)4=x24=x8(x^2)^{-4} = x^{2 \cdot -4} = x^{-8}
  3. Combine the terms: 116x8=x816\frac{1}{16} \cdot x^{-8} = \frac{x^{-8}}{16}

  4. Rewrite with positive exponents (optional): Since x8x^{-8} can be rewritten as 1x8\frac{1}{x^8}, the expression becomes: 116x8\frac{1}{16x^8}

Final Simplified Expression:

116x8\frac{1}{16x^8}

Would you like to explore more about this process or ask any additional questions?


Here are some related questions for further exploration:

  1. How do you apply exponents to both constants and variables within parentheses?
  2. What is the effect of raising a power to a negative exponent?
  3. How do you simplify expressions with multiple exponents applied to one term?
  4. What are the rules for handling fractional exponents within a simplification problem?
  5. How does simplifying negative exponents differ from positive exponents?

Tip: When distributing negative exponents across parentheses, ensure that you handle both constants and variables individually before combining them.

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Math Problem Analysis

Mathematical Concepts

Exponents
Laws of Exponents

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9