It is 0.3 in decimal form. There is no further expanded form.
It is already in decimal form. Expanded form: 0.6 + 0.03 + 0.004
It is 10 + 2 + 0.9
81.8887 = 80 + 1 + 0.8 + 0.08 + 0.008 + 0007 ( in expanded decimal form)
8.517 written as a decimal in expanded form is 8 + 0.5 + 0.01 + 0.007
The decimal 1.8 in expanded form is (1 x 1) + (8/10). The expanded word form is one and eight tenths.
Decimal
Decimal form = 0.3 Expanded form = (0 x 1) + (3/10)
3.221 is already in decimal. In expanded form it is 3+0.2+0.02+0.001
2.16 written in expanded form = 2 + 0.1 + 0.06
3.70917 = 3 + 0.7 + 0.009 + 0.0001 + 0.00007 (in expanded form)
69.409 = 60 + 9 + 0.4 + 0.009 in expanded form