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 ...
They are defined by certain characteristics which all mammals share, including: gland â¦ s that produce milk, hair, three bones in the middle ear, and a neocortex in the brain. Most mammals are born live, but there are exceptions. Monotremes, including the echidna and the platypus, lay eggs.Most other mammals give birth to live young mature enough to live outside the womb (called placental mammals).here are two egg-laying mammals. The platypus and the echidna are both egg-laying mammals, or monotremes. They are still classified as mammals be â¦ cause they feed their young on mothers' milk-a characteristic unique to mammals alone. There are just three known species of egg-laying mammals, or monotremes.