Question

5^n × 25^n-1 ÷ (5^n-1 × 25^n-1)​

Answer 1

Answer:

$\frac{5 {}^{n} \times 25 {}^{n - 1} }{5 {}^{n - 1} \times 25 {}^{n - 1} } \\ = \frac{5 {}^{n} }{5 {}^{n - 1} } \\ = 5 {}^{n - (n - 1)} \\ = 5 {}^{n - n + 1} \\ = 5$