Answer:
A. 90 ÷ 9 = 10
Explanations:
In the number 9,999, it can be grouped into:
9 thousand
9 Hundred
9 tens
9 ones
The number in the tens place is 90
The number in the ones place is 9
The equation that compares the tens place to the ones place is:
90 ÷ 9 = 10