2^2 x 3 x 5^2 is the prime factorization of

Explain how you can use the associative property to evaluate (7x50)x4.

Solve -.016x= -16. need solving this

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *