To test the purity of the hydrazine, the chemist collected a sample 1/2000th the volume of the batch produced. if the sample size was 0.4 liters, what was the volume of the production batch?

What is the missing step in this proof ?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2