5^-8 * 5^10-7^-3:7-5+((3/4)^2)^-1

Question

5^-8 * 5^10-7^-3:7-5+((3/4)^2)^-1

Answer 1

5^-8×5^10-7^-3:7+5((3/4)²)^-1
5²-7^-4+5×(3/4)^-2
25-1/7⁴+5×(4/3)²
25-1/2401+5×16/9
25-1/2401+80/9
540225-9+192080/21609
732296/21609
33 целых 19199/21609