Final answer:
The expanded form of 91,060,000 is 90,000,000 + 1,000,000 + 60,000.
Step-by-step explanation:
To express a number in expanded form, we break it down into its place value components. For the number 91,060,000, the expanded form is option a) 90,000,000 + 1,000,000 + 60,000. Let's break it down:
- 90,000,000 represents 90 million
- 1,000,000 represents 1 million
- 60,000 represents 60 thousand
So, the expanded form of 91,060,000 is 90,000,000 + 1,000,000 + 60,000.