Answer:
Standard Form:
21.012
Expanded forms can be written like a sentence or stacked for readability as they are here.
Expanded Notation Form:
20
+ 1
+ 0.0
+ 0.01
+ 0.002
Expanded Factors Form:
2 × 10
+ 1 × 1
+ 0 × 0.1
+ 1 × 0.01
+ 2 × 0.001
Expanded Exponential Form:
2 × 101
+ 1 × 100
+ 0 × 10-1
+ 1 × 10-2
+ 2 × 10-3
Word Form:
twenty-one and twelve thousandths
Step-by-step explanation:
