To subtract \(4.66 \times 10^{-5}\) and \(7.34 \times 10^{-7}\), we need to express both numbers in the same exponent base:
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First, convert \(7.34 \times 10^{-7}\) to the same exponent as \(4.66 \times 10^{-5}\): \[ 7.34 \times 10^{-7} = 0.0734 \times 10^{-5} \]
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Now we can subtract: \[ 4.66 \times 10^{-5} - 0.0734 \times 10^{-5} = (4.66 - 0.0734) \times 10^{-5} = 4.5866 \times 10^{-5} \]
Thus, the result of the subtraction is: \[ \boxed{4.5866 \times 10^{-5}} \]