3. Найдите значение выражения: *) √0,36·25; 6) √8·√18; 0) √2⁴·5²; 2) √27 √3.

3. Найдите значение выражения:

a) $$\sqrt{0.36 \\\\cdot 25} = \\\\sqrt{\\\\frac{36}{100} \\\\cdot 25} = \\\\sqrt{\\\\frac{36 \\\\cdot 25}{100}} = \\\\sqrt{\\\\frac{900}{100}} = \\\\sqrt{9} = 3$$

б) $$\sqrt{8} \\\\cdot \\\\sqrt{18} = \\\\sqrt{8 \\\\cdot 18} = \\\\sqrt{144} = 12$$

в) $$\sqrt{2^4 \\\\cdot 5^2} = \\\\sqrt{16 \\\\cdot 25} = \\\\sqrt{400} = 20$$

г) $$\frac{\sqrt{27}}{\sqrt{3}} = \\\\sqrt{\\\\frac{27}{3}} = \\\\sqrt{9} = 3$$

Ответ: а) 3, б) 12, в) 20, г) 3