I have three math problems that I am unsure of how to do. could someone please help thanks.
\sqrt[3]{-8x^3y^3z^3}
({4xy^-1}/{16xy^2})
\sqrt{98}+\sqrt{2}
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it is generally accepted that 800 mhz frequencies (longer wavelengths) travel farther and penetrate buildings better than 1900 mhz frequencies (shorter wavelengths) I have looked for hours on the Internet trying...