Answer: 70 + 3 +

Explanation:
Firstly, what is expanded form? Expanded form is a sum of a number's digit place values.
For example, the expanded form of 814 is 800 + 10 + 4.
To find the expanded form of 73.09, we will do the same as the example provided above. However, we have a decimal. This means we will use a fraction. This 9 is in the hundredth place, so we will use the fraction
.
73.09 = 70 + 3 +
