One hundred fifty years.
You write it: 150 000 000.
One hundred and fifty million years.
yes
You need to write your essay.
Expressed in words, this number is one hundred and fifty.
First you will need those. - A pen. - A paper. Then, you just write.
One hundred fifty thousand, two hundred
One hundred seventy years.
Fifty hundred thousand ten thousand one hundred and fifty
One hundred fifty pounds.
One million, one hundred fifty thousand, thirty.
150 in word form is one hundred fifty.