Question

Three million and nine thounsandths

Answer 1

One million = 1,000,000

So Three million is 3,000,000

One thousandths is 0.001

So nine thousandths is 0.009

So three million and nine thousandths is 3,000,000.009

Answer 2

Three millions is 3,000,000
Nine thousandths is 0.009

So three million and nine thousandths is 3,000,000.009

Hope that helps :)