Question

Calculati utilizand regulile de calcul cu puteri:
a)$5^{x} x 5^{x+1}$
b)$(2 x 3 x 5)^{23}$

Answer 1

5^x.5^(x+1)=5^(x+x+1)=5^(2x+1)
(2.3.5)^23=30^23
(2.3.5)^23=2^23.3^23.5^23