Sara was looking at the table above. She noticed that when you multiply a number by powers of 10 (10, 100, 1000, and so on), the decimal point moves over to the right by one place every time. Explain to Sara why it works this way. PLZ HELP

Why was the sixteenth amendment important to woodrow wilson’s efforts to regulate the economy? a) the sixteenth amendment lowered interest rates charged by banks. b) the sixteenth amendment allowed congress to levy an income tax c) the sixteenth amendment lowered tariffs on imported goods d) the sixteenth amendment allowed congress to break up monopolies