Please help!

The size of a cell is typically found by capturing an image under a microscope and then using software to measure its diameter. Two cells are measured using this method:


Cell H: 3.52 \times 10^{-3} centimeters

Cell K: 9.1 \times 10^{-4} centimeters


How many times larger is the diameter of cell H than the diameter of cell K? Write your answer in standard notation, rounding to the nearest tenth.



Answer :