To subtract \(4.66 \times 10^{-5}\) and \(7.34 \times 10^{7}\), you need to express both numbers in the same format.
The number \(4.66 \times 10^{-5}\) is a small number, while \(7.34 \times 10^{7}\) is much larger. Therefore, in this case, we can recognize that subtracting a very small number from a very large number results effectively in the larger number itself.
Mathematically, the operation can be outlined as follows:
\[ 4.66 \times 10^{-5} - 7.34 \times 10^{7} \approx -7.34 \times 10^{7} \]
If you attempt to calculate this explicitly, you would write:
\[ 4.66 \times 10^{-5} \approx 0.0000466 \] \[ 7.34 \times 10^{7} \approx 73400000 \]
Thus,
\[ 0.0000466 - 73400000 \approx -73400000 \]
So the final result of \(4.66 \times 10^{-5} - 7.34 \times 10^{7}\) is approximately:
\[ \boxed{-7.34 \times 10^{7}} \]
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