Question 18
Find $\sqrt{S+\frac1{10^9}}$ if $$S=\frac{10}{100}+\frac{200}{100^2}+\frac{3000}{100^3}+\frac{40000}{100^4}+\cdots+\frac{9000000000}{100^9}+\frac{100000000000}{100^{10}}.$$
Input format: use pi, sqrt(...), ^ for powers, * for multiplication and / for division as needed.
Input format: use pi, sqrt(...), ^ for powers, * for multiplication and / for division as needed.