👉 In mathematics, a donum is a mathematical object that represents a number in a specific way. It can be used to represent numbers or quantities with different units and scales. A donum is often denoted by an asterisk (
), such as 5
10^7, where the asterisk represents the value of 5 multiplied by 10 raised to the power of 7.
Donums are often used in scientific notation, which involves writing a number with only one significant digit