What is 0.0003012 written in scientific notation? A3.012 x 10 -4

B3.12 x 10 -4

C3.012 x 10 4

D30.12 x 10 -3

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points