Q: What is the place value chart for the number 16,686?

 A:

Ten Thousands	Thousands	Hundreds	Tens	Ones
1	6	6	8	6

Here are the values of each number:

Number	x	Multiplier	= Value
1	x	10,000	10,000
6	x	1,000	6,000
6	x	100	600
8	x	10	80
6	x	1	6

Add up all of the values and you get 16,686.