How would you simplify this? Please help

asked Oct 12, 2022 48.4k views

3 votes

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4 votes

$\sqrt[3]{8^(4) }$

$2 √(6) - 6 √(54) \\ 2 √(6) - 6 √(9 * 6) \\ 2 √(6) - 18 √(6) \\ - 16 √(6)$

Eric Geurts answered Oct 15, 2022

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1 vote

$8^{(4)/(3)} = \sqrt[3]{8^4} = \sqrt[3]{(2^3)^4} = \sqrt[3]{2^(3*4)} = 2^4 = 16$

Answer: C (16).

2√(6) - 6√(54) = 2√(6) - 2 * 3 * √(6) * √(9) = 2√(6)(1-3√(9)) = 2√(6)(1-3*3) = 2√(6)(1-9)=2*√(6)*(-8) = -16√(6)

Matt Molnar answered Oct 18, 2022

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