To express the number 374,274 in scientific notation, you need to write it as a product of a number between 1 and 10 and a power of 10.
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Move the decimal point in 374,274 to the left until you have a number between 1 and 10. In this case, moving the decimal point 5 places to the left gives you 3.74274.
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Count the number of places you moved the decimal point. In this case, you moved it 5 places.
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Write the number in scientific notation as follows: \[ 3.74274 \times 10^5 \]
Thus, the scientific notation for 374,274 is: \[ 3.74274 \times 10^5 \]