Answer:
10+2+0.3+0.07+0.005
Explanation:
Writing the number in expanded form means to write the value of each digit then add them together to find the sum. For example, the number 1,234 has the following values: The value of 1 is written as 1,000 because it's in the thousands place. The value of 2 is written as 200 because it's in the hundreds place.