Question

3 la puterea x =9 la puterea 4 ×27 la puterea 5​

Answer 1

Răspuns:

Salutare!

$3^{x} =9^{4} X 27^{5}$

$3^{x} =3^{8} X 3^{15}$

$3^{x} =3^{23}$

$x=23$

Folosim proprietatea: $a^{m} X a^{n}= a^{m+n}$

x-inmultire