2.34
5.034
3.8
34.5
Thirty-four thousandths.
34.00
You do not need a decimal point to write 34 thousand, but, if you must "34000." is one way.
.34
4*34 = 136
0.34
That is 0.34
To convert 3.4% to a decimal, divide by 100: 3.4% ÷ 100 = 0.034
7/34 = 0.21