Question

Which of the following expresses 374,274 in a scientific notation?

Answer 1

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.

1. 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.

2. Count the number of places you moved the decimal point. In this case, you moved it 5 places.

3. Write the number in scientific notation as follows:
\[
3.74274 \times 10^5
\]

Thus, the scientific notation for 374,274 is:
\[
3.74274 \times 10^5
\]