Scientific Notation - Tutorial - Part 2 - Level
The width of a human hair is about 1 * 10-4 meter wide.
The width of mechanical pencil lead is about 7 * 10-4
meter wide.
KO
About how many pieces of hair would it take to match the width of a piece of
mechanical pencil lead?
V DONE

Two farmers pay a total rent of $140 for a pasture. the first farmer placed $4 oxen in the pasture, and the second farmer placed $30 sheep in the pasture. the farmers split the rent based on the proportion of the pasture eaten by their own animals that month. how much should the first farmer pay, if 1 ox eats as much as 10 sheep in a month?