a) Five tenths → 0.5

b) Six thousandths → 0.006

c)Twenty hundredths → 0.20

d) Twelve thousandths → 0.012

e) Eighteen ones and two hundredths → 18.02

f) Seven hundredths → 0.07

g) Three ones and seven tenths → 3.7

h) Nine tens and nine tenths → 90.9

i) Forty-five thousandths → 0.045

j) Fifteen millionths → 0.000015