Question

нужен ответ, срочно ​

Answer 1

$\dfrac{50^{n+1} }{2^{n-3} \cdot5^{2n+1} }=\dfrac{(2\cdot5^{2}) ^{n+1} }{2^{n-3} \cdot5^{2n+1} }= \dfrac{2^{n+1}\cdot5^{2n+2} }{2^{n-3} \cdot5^{2n+1} }= \\\\=2^{n+1-n+3} \cdot5^{2n+2-2n-1} =2^{4}\cdot 5=16\cdot 5=\boxed{80}$