Answer:
Step-by-step explanation:
We are asked to write 74171.7 in scientific notation.
To write a number in scientific notation, we need to two factors such that one is between 0 and 10 and second is power of 10.
To find the first factor, we will move the decimal to 4 units to right as:
The second factor would be as times equals 74171.7.
Therefore, our required number would be .