Answer:
Standard Form:
81.402
Expanded forms can be written like a sentence or stacked for readability as they are here.
Expanded Notation Form:
80 +1 + 0.4+ 0.00+ 0.002
Expanded Factors Form:
8 ×10 +1 ×1 +4 × 0.1+0 × 0.01+2 × 0.001
Expanded Exponential Form:
8 × 101+1 × 100+4 × 10-1+0 × 10-2+2 × 10-3
Word Form:
eighty-one and four hundred two thousandths