Final answer:
To enter 69,200 in scientific notation on WebAssign, the e-notation expression would be 6.92e4, maintaining three significant figures.
Step-by-step explanation:
To express the number 69,200 in scientific notation on the WebAssign platform, first put the number in the format of a number between 1 and 10 followed by a power of 10. The number 69,200 would be written as 6.92 × 10⁴ because the decimal has been moved 4 places to the left. In WebAssign's e-notation, which is commonly used in scientific and engineering fields for ease of data entry and reading, the expression would be written as 6.92e4 to maintain three significant figures.