Question

(10^2×10^3):(10^5)^2 calculați

Answer 1

$\frac{10^2*10^3}{(10^5)^2}=\frac{10^{2+3}}{10^{5*2}}=\frac{10^5}{10^{10}}=10^{5-10}=10^{-5}=\frac{1}{10^5}$