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Answer:
(9a⁴b⁷).(6a³b⁸)
=54a⁷b¹⁵
Explanation:
(9a⁴b⁷) x (6a³b⁸)
(9 x 6) x (a⁴ x a³) x (b⁷ x b⁸)
54 x a⁷ x b¹⁵ = 54a⁷b¹⁵
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