Answer:
V = 195 m³
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
- Parenthesis 
- Exponents 
- Multiplication 
- Division 
- Addition 
- Subtraction 
Geometry
Volume of a Triangular Prism Formula: 

- h is height
- w is width
- l is length
Explanation:
Step 1: Define
Identify variables
h = 13 m
w = 6 m
l = 5 m
Step 2: Find Volume
- Substitute in variables [Volume of a Triangular Prism Formula]: 
  
- Multiply: 
  
- Multiply: 
  
- Multiply: 
 