Float can contain up to seven digits in total, not just following the decimal point â so, for example, 321.1234567 cannot be stored in float because it has 10 digits. If greater precisionâmore digitsâis necessary, the double type is used.
Back to Animals. 1  Live young-Most mammals give birth to live young (instead of laying eggs like birds or reptiles). 2  Marsupials-Marsupials are special types of mammals that carry their young in a pouch. 3  Egg laying-A few mammals lay eggs, they are called monotremes. 4  A giraffe's tongue is 20 inches long. 5  A hard working mole can dig a hole up to 300 ...
Platypuses, however, lay eggs. They are a species of primitive mammals called monotremes. Echidnas, or spiny anteaters, are the only other mammals that lay eggs. When the female platypus is ready to have her young, she will burrow down inside the ground on the riverbank and seal herself into one of her tunnel rooms.