This is not history .......................................
Mesopotamia - cuneiform.
If that is what you meant.
Answer:
a^20b^8
Explanation:
Multiply the exponents when your expression is in parentheses, hope I helped, have a nice day :)
Separation of powers is 1 of the 7 principles of the U.S. Constitution that separates the powers of the government into 3 separate branches: legislative, executive, and judicial. This way, there isn't just one source of power ruling the country. Your shortened answer would be: it separates the U.S. government's powers into 3 branches: executive (president), legislative (Senate and House of Representatives), and judicial (supreme court and lower courts).