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____ [38]
3 years ago
12

Preform the indicated operation. Then choose the best answer. 27.7 x 1.9

Mathematics
1 answer:
Bess [88]3 years ago
7 0
Your answer would be 526.3
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What value of n makes the equation true? (2x^9y^n)(4x^2y^10)=8x^11y^20
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Hi there! The answer is n = 10.

(2 {x}^{9}  {y}^{n} )(4 {x}^{2}  {y}^{10} ) = 8 {x}^{11}  {y}^{20}

As you see at the powers of x, we need to add the exponents of the power we when multiply them.
{x}^{9}  \times  {x}^{2}  =  {x}^{9 + 2}  = x {}^{11}

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3 years ago
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Alinara [238K]

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The average is 124

Step-by-step explanation:

When x=2 substitute into the equation given above

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160+88/2

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