Final answer:
Justin's friend Edward lives close by a distance of 0.18 kilometer.
Step-by-step explanation:
The distance that Justin's friend Edward lives close by is 0.9 kilometer multiplied by two tenths. To find the distance, we need to multiply 0.9 kilometer by 0.2.
0.9 kilometer x 0.2 = 0.18 kilometer.
So, Justin's friend Edward lives close by a distance of 0.18 kilometer.