Calculate the Product: 3.12 × 109 Step-by-Step

To solve $3.12 \times 109$, we proceed as follows:

• Step 1: Multiply the numbers as if they were whole numbers. Multiply $312$ by $109$.
• Step 2: Calculate $312 \times 109$:
  • $312 \times 100 = 31200$
  • $312 \times 9 = 2808$
  • Add the two results: $31200 + 2808 = 34008$.
• Step 3: Adjust for decimal places. Since $3.12$ has two decimal places, divide $34008$ by $100$ to get $340.08$.

Therefore, the solution to the multiplication is $340.08$.