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7 0

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dusya [7]

Answer:

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3n=40

no u can solve

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2 years ago

dolphi86 [110]

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Step-by-step explanation:

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Savatey [412]

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Tamiku [17]

Answer:

We are to find the error made by Sadie and then find the correct simplification.

The error Sadie made is that she wrote $a^7$ as $a^2 * a^5$ instead of $a^6 * a$ .

The square root of $a^6$ is $a^3$ and so she could have further simplified.

The correct simplification is shown below:

$\sqrt{54a^7b^3} = \sqrt{2 * 3 * 3 * 3 * a^6 * a * b^2 * b} \\ \\= \sqrt{3^2 * a^6 * b^2 * 6 * a * b} \\\\= 3a^3b\sqrt{6ab}$

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swat32

Btw, Twb, wtb, tbw, wbt,

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2 years ago