Question

What is the constant ratio between the consective term of 5,-25,125,-625

Answer 1

Step-by-step explanation:

first term a=5

second term ar=25=5×5

common ratio r=5

let nth term = 5^10=5×5⁹

5×5⁹=ar^(n-1)

5×5⁹=5×5^(n-1)

5⁹=5^(n-1)

n=10

therefore 10th term of the GP is 5^10