Answer:
25 a¹⁴b²
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
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