How do you write fifteen and two hundred seven hundred-thousandths?
Assuming you meant:fifteenandtwenty thousand ,seventy hundred-thousandths.Always group by hundreds. (ex) ones, thousands, millions, etc.Fifteen - 15and (place decimal)20070 - after the decimal.So, you write it as 15.20070.You can further simplify to 15.2007, or 1.52007×10¹.