Question

Aflati media aritmetica a numerelor X si Y daca: X=3la 17 si Y=3la 20

Answer 1

$m_a=\frac{x+y}{2}=\frac{3^{17}+3^{20}}{2}=\frac{3^{17}(1+3^3)}{2}=\frac{3^{17}*28}{2}=3^{17}*14$

Answer 2

Ma=(x+y):2
x+y=3¹⁷+3²⁰=3¹⁷*(1+3³)=3¹⁷*28
Ma=3¹⁷*28:2=3¹⁷*14