Answer:
25 a¹⁴b²
Step-by-step explanation:
(5a⁷ b)²
= (5)² (a⁷)² (b)²
= 25 a⁽⁷⁾⁽²⁾ b²
= 25 a¹⁴b²
25a^14b^2
5^2x(a^7)^2xb^2
25a^14 b^2
