How do you write the fullowing munibers? (7) 15 __ B. 12 __ 9. IT __

7. 78. 159. 17

The question is asking for the full form of the given numbers. The numbers are represented in a way that is often used in mathematics to denote the base of a number. In this case, the base is 10, which is the base of the decimal system. The full form of these numbers is simply their representation in the decimal system.