To find the quotient of the expression \((5.6 \times 10^2) \div (1.4 \times 10^{-6})\), we can separate the numbers and the powers of ten.
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First, we divide the coefficients: \[ \frac{5.6}{1.4} = 4 \]
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Next, we divide the powers of ten: \[ 10^2 \div 10^{-6} = 10^{2 - (-6)} = 10^{2 + 6} = 10^8 \]
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Now, we combine the results from step 1 and step 2: \[ 4 \times 10^8 \]
Thus, the quotient of the expression \((5.6 \times 10^2) \div (1.4 \times 10^{-6})\) is: \[ 4 \times 10^8 \]
The correct answer is: 4 × 10^8