Four light bulbs use different amounts of electricity, as shown in the table. Which light bulb uses the least amount of electricity per hour?

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Ответ:

Jakeandjenn21

18.03.2020

Mathematics

$\sqrt[4]{y}$

Step-by-step explanation:

The quotient property of radicals requires the indices of the radicals to be the same.

This statement is true and is applicable also for expressing the ((4th root of y^3)/(square root of y)) as a single radical.

The given expression is

$\frac{\sqrt[4]{y^{3}}}{\sqrt{y} }$

Now, $\sqrt{y}$ can also be written as $\sqrt[4]{y^{2}}$ , and hence,

$\frac{\sqrt[4]{y^{3}}}{\sqrt{y} }$

= $\frac{\sqrt[4]{y^{3}}}{\sqrt[4]{y^{2}}}$

= $\sqrt[4]{\frac{y^{3}}{y^{2}}}$

= $\sqrt[4]{y}$ (Answer)

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