What is the expanded form of 3,056.45?

To find the expanded form of the number 3,056.45, we break down the number by the value of each digit according to its place in the decimal system.

The number 3,056.45 consists of the following digits:

• The digit '3' is in the thousands place, representing 3,000. This can be expressed as (3 × 1,000).

• The digit '0' is in the hundreds place, but since it contributes nothing to the number, it is not included in the expanded form.

• The digit '5' is in the tens place, representing 50. This can be expressed as (5 × 10).

• The digit '6' is in the ones place, representing 6. This can be expressed as (6 × 1).

• The digit '4' is in the tenths place, representing 0.4, which can be calculated as (4 × (1/10)).

• Finally, the digit '5' is in the hundredths place, representing 0.05, which can be expressed as (5 × (1/100)).

Putting these parts together, we correctly form the expanded notation as (3 × 1,