32 > Simplify this number and write the answer in appropriate scientific notation, with the mantissa rounded to 3 decimal places: (8.640 x10) x (1.242 10-19) 2.208 x 10-14 answer = Question Help: Message instructor Submit Question Note: There are no questions that combine converting units with rounding rules. Please remember to complete the practice worksheet to ensure you understand how to combine those concepts. There will be instances on exams where you will need to do a unit conversion and round to the correct number of significant figures!