Numbers
What is an exponent?
An exponent is a symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power. Exponents are a "shorthand" for writing repeated multiplication by the same number.
What is a number?
Symbols used for counting and measuring the objects are called numbers.
Mental math
60*50
3000
23+23-22+33
57
What is an Egyptian number system?
The Egyptians had a base 10 system of hieroglyphs for numerals. This means that they had separate symbols for one unit, one ten, one hundred, one thousand, one ten thousand, one hundred thousand, and one million.