Follow PEMDAS.
Parenthesis
Exponents
Multiplication & Division
Addition & Subtraction
Alright, do multiplication first, then division. Then, do subtraction then addition.

Hope this helped!
Lower Quartile-21
Upper Quartile-52
Interquartile Range- 31
Hope this helps !!
First, you have to break the number down by expanding it to find the different number values.
6,735
↓
6,000 + 700 + 30 + 5
This shows us the values of the 7 in 6,735 is 700.
Answer: 700