Which measurement is more convenient way of saying 10,000,000 millimeters

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia