Question

Calculati: (3 la 19 x 25 la 9)tot la 2 :15 la 36

Answer 1

$[3^{19}*(5^{2})^{9}]^2: 15^{36} =  =[(3^{19})^2*(5^{18})^{2}]: 15^{36} = \frac{3^{38}*5^{36} }{ 3^{36} * 5^{36} } = 3^{2} =9$
15 la puterea 36 se scrie (3*5) la puterea 36, iar puterea se duce la fiecare numar.