a real 3 cm bug is drawn to be 10 cm in a picture what scale factor was used show all steps

To find the scale factor used, divide the length in the picture by the actual length:

Scale factor = Length in the picture / Actual length

In this case, the length in the picture is 10 cm and the actual length is 3 cm. Therefore,

Scale factor = 10 cm / 3 cm = 3.33