How much larger is 8 in 8237 and 8 in 823.7

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.

What is the scale factor of axyz to auvw?