Simplify: 10a³b⁹ / 5a²b⁸
2ab
Divide the numerical coefficients: \(10 \div 5 = 2\).
Divide the powers of a using the law \(a^m/a^n = a^{m-n}\): \(a^3/a^2 = a\), and similarly \(b^9/b^8 = b\).
Combining these gives \(2ab\).
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