Which answer shows 0.05 written in scientific notation?
0.5x 10-1
5x10-2
5x10-
5x102

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?