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.).
PLACENTAL MAMMALS. LIVE BIRTH AND THE PLACENTA. Most vertebrates lay eggs. In reptiles and birds, the embryos are surrounded by a layer of albumen, a shell membrane, and a shell. These layers are present in monotreme mammals which lay eggs and some may be retained in live-bearing mammals as well.