How does writing 3.441 in expanded form show why the same digit can have different values?

Standard Form:

3.441

Expanded forms can be written

like a sentence or stacked for

readability as they are here.

Expanded Numbers Form:

3 + 0.4 + 0.04 + 0.001

Expanded Factors Form:

3 * 1 + 4 * 0.1 + 4 * 0.01 + 1 * 0.001

Expanded Exponential Form:

3 * 100 + 4 * 10-1 + 4 * 10-2 + 1 * 10-3

Word Form:

three and

four hundred forty-one thousandths