- Please help simplify! ((7x^-3 y^-2)/(21x^6 y^-8))^-2?

Discover Questions

Is the earth flat or a sphere and i want proof? How many molecules of propane were in the Erlenmeyer flask? Avogadro's number is 6.022 × 10^23 molecule/mol.
0.274g (mass in flask) 44.10=MM? What is the ratio of the tension in the left wire to the tension in the right wire? Suppose that θ1 = 69 ∘ and θ2 = 21 ∘.? Fhfjdiqjshsh? Wat is je favoriete eten?