(7a^4)^2

less than a minute read Jun 16, 2024
(7a^4)^2

Simplifying (7a^4)^2

In mathematics, simplifying expressions is an important skill. Let's break down how to simplify the expression (7a^4)^2.

Understanding the Rules

We'll use two fundamental rules of exponents:

  1. Power of a product: (ab)^n = a^n * b^n
  2. Power of a power: (a^m)^n = a^(m*n)

Applying the Rules

  1. Applying the power of a product rule: (7a^4)^2 = 7^2 * (a^4)^2

  2. Applying the power of a power rule: 7^2 * (a^4)^2 = 49 * a^(4*2)

  3. Simplifying: 49 * a^(4*2) = 49a^8

Conclusion

Therefore, the simplified form of (7a^4)^2 is 49a^8.

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