\[\boxed{\text{383\ (383).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
Пояснение.
Решение.
\[\textbf{а)}\ \sqrt{57600} = \sqrt{576 \cdot 100} =\]
\[= 24 \cdot 10 = 240\]
\[\textbf{б)}\ \sqrt{230400} = \sqrt{2304 \cdot 100} =\]
\[= 48 \cdot 10 = 480\]
\[\textbf{в)}\ \sqrt{152100} = \sqrt{1521 \cdot 100} =\]
\[= 39 \cdot 10 = 390\]
\[\textbf{г)}\ \sqrt{129600} = \sqrt{1296 \cdot 100} =\]
\[= 36 \cdot 10 = 360\]
\[\textbf{д)}\ \sqrt{20,25} = \sqrt{2025 \cdot 0,01} =\]
\[= 45 \cdot 0,1 = 4,5\]
\[\textbf{е)}\ \sqrt{9,61} = \sqrt{961 \cdot 0,01} =\]
\[= 31 \cdot 0,1 = 3,1\]
\[\textbf{ж)}\ \sqrt{0,0484} = \sqrt{484 \cdot 0,0001} =\]
\[= 22 \cdot 0,01 = 0,22\]
\[\textbf{з)}\ \sqrt{0,3364} = \sqrt{3364 \cdot 0,0001} =\]
\[= 58 \cdot 0,01 = 0,58\]
\[\boxed{\text{383.}\text{\ }\text{еуроки}\text{-}\text{ответы}\text{\ }\text{на}\text{\ }\text{пятёрку}}\]
Пояснение.
Решение.
\[\textbf{а)}\ a^{4} = \left( a^{2} \right)^{2}\]
\[\textbf{б)}\ a^{6} = (a^{3})²\]
\[\textbf{в)}\ a^{18} = (a^{9})²\]
\[\textbf{г)}\ \frac{1}{a^{10}} = \left( \frac{1}{a^{5}} \right)^{2}\]
\[\textbf{д)}\ a^{2}b^{8} = (ab^{4})²\]
\[\textbf{е)}\ \frac{a^{6}}{b^{12}} = \left( \frac{a^{3}}{b^{6}} \right)^{2}\ \]