Move the decimal place to the right if the exponent is positive, and left is the exponent is negative. Add additional zeros if needed.
The correct answers are 6/9 and 4/6
The unknown measure is 6 because it is an equilateral triangle, and equilateral triangles have equal angle measures and side lengths.
Hope that helps ;)
It’s area because you don’t want the oil to go only around the pan. You want it all over the surface.