1. The problem is to find the sum of the numbers: 70.00, 70.00, 300.00, 70.00, 70.00, and 70.00. 2. To find the total sum, we add all the numbers together using the formula for addition: $$\text{Sum} = a_1 + a_2 + a_3 + \cdots + a_n$$ where $a_i$ are the numbers to be added. 3. Substitute the given numbers: $$\text{Sum} = 70.00 + 70.00 + 300.00 + 70.00 + 70.00 + 70.00$$ 4. Add the numbers step-by-step: $$70.00 + 70.00 = 140.00$$ $$140.00 + 300.00 = 440.00$$ $$440.00 + 70.00 = 510.00$$ $$510.00 + 70.00 = 580.00$$ $$580.00 + 70.00 = 650.00$$ 5. Therefore, the total sum is: $$\boxed{650.00}$$