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.
This animal may have sharp spines, but it isn't a porcupine! It's one of two types of primitive egg-laying mammals, or monotremes. (The other is the duck-billed platypus.).
Female echidnas lay eggs! Egg-laying mammals are called monotremes. There are only three monotremes in the world: the long-beaked echidna, short-beaked echidna, and duck-billed platypus. It is found throughout Australia, Tasmania and New Guinea, from the highlands to the deserts to the forests.