Reduce the Expression: 7⁶ × 13² × 4² × 8⁷ × 9² Using Laws of Exponents

Reduce the following equation:

76×132×42×87×92= 7^6\times13^2\times4^2\times8^7\times9^2=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Simplify the following problem
00:03 According to the laws of exponents, a product raised to the power (N)
00:07 equals the product where each factor is raised to the same power (N)
00:13 Identify all numbers whose exponents are equal
00:22 We will apply the formula to our exercise
00:30 Numbers with different exponents remain outside the parentheses
00:33 This is the solution

Step-by-step written solution

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1

Understand the problem

Reduce the following equation:

76×132×42×87×92= 7^6\times13^2\times4^2\times8^7\times9^2=

2

Step-by-step solution

Let's solve the problem by following these steps:

Step 1: Identify terms that share a common power. We have 13213^2, 424^2, and 929^2, all raised to 2.

Step 2: Use the power of a product rule: (a×b×c)m=am×bm×cm(a \times b \times c)^m = a^m \times b^m \times c^m.

Step 3: Combine these terms: 132×42×92=(13×4×9)213^2 \times 4^2 \times 9^2 = (13 \times 4 \times 9)^2.

Step 4: Substitute back into the original expression:
76×132×42×87×92=76×(13×4×9)2×877^6 \times 13^2 \times 4^2 \times 8^7 \times 9^2 = 7^6 \times (13 \times 4 \times 9)^2 \times 8^7.

Therefore, the expression reduces to 76×(13×4×9)2×87 7^6 \times (13 \times 4 \times 9)^2 \times 8^7 .

3

Final Answer

76×(13×4×9)2×87 7^6\times\left(13\times4\times9\right)^2\times8^7

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\( (4^3)^2= \)

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