To simplify the expression \((2q)(6q^8)\), you can follow these steps:
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Multiply the coefficients: \[ 2 \times 6 = 12 \]
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Multiply the variables: When you multiply terms with the same base, you add their exponents. Here, \(q\) has an exponent of \(1\) in the term \(2q\) and \(8\) in the term \(6q^8\): \[ q^1 \times q^8 = q^{1 + 8} = q^9 \]
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Combine the results: Putting it all together, you get: \[ (2q)(6q^8) = 12q^9 \]
Thus, the simplified expression is \(\boxed{12q^9}\).