What should be multiplied with 5x2y3 to get 20x4y5?
4x2y2
2x2y2
x2y2
42y2
What should be multiplied with 20x2y3 to get 40x4y5?
What should be multiplied with 2.8 to get the multiplicative inverse of 57?
What should be multiplied to 22.47 to get 2247 ?