Final answer:
The number 6,791,000 in scientific notation is written as 6.791 × 10^6, where the decimal is moved 6 places to the left.
Step-by-step explanation:
To write the number 6,791,000 in scientific notation, we need to express it in the form of a single digit followed by a decimal point and the appropriate number of significant figures, multiplied by 10 raised to an exponent. Here, the exponent will be the number of places we need to move the decimal point to the left to get from 6,791,000 to a number between 1 and 10.
First, we identify the correct form: 6.791 (the original number with the decimal moved 6 places). Therefore, 6,791,000 in scientific notation is 6.791 × 106.