Answer:
I believe it's 4,080
Step-by-step explanation:
you just add the two numbers
Answer:
<em>1 cm^2 : 9 m^2</em>
Step-by-step explanation:
The scale factor of an area is the square of the scale factor of a length.
The scale for lengths is 1 cm : 3 m.
You now square that scale to get the scale of the areas.
Scale of areas:
(1 cm)^2 : (3 m)^2
1 cm^2 : 9 m^2
diameter of human hair is around 0.0025cm
in scientific notation it is: 2.5x10^-3
