Question

[tex] 9^{100}x 3^{5} =
cum se calculeaza?[/tex]

Answer 1

    
$9^{100}\;\cdot\;3^5 = (3^2)^{100}\;\cdot\;3^5 = 3^{2\;\cdot\;100}\;\cdot\;3^5= 3^{200}\;\cdot\;3^5=3^{200+5}=\boxed{3^{205}}$