The calculation of 69.9 times 2 is a straightforward mathematical operation. To find the product, we simply multiply 69.9 by 2.
Calculation Process
The calculation involves multiplying the decimal number 69.9 by the integer 2. This can be done using basic arithmetic operations.
Step-by-Step Calculation
First, we multiply 69 by 2, which equals 138. Then, we multiply 0.9 by 2, resulting in 1.8. Finally, we add the two products together: 138 + 1.8 = 139.8.
| Operation | Result |
|---|---|
| 69 * 2 | 138 |
| 0.9 * 2 | 1.8 |
| 138 + 1.8 | 139.8 |
Real-World Applications
Understanding how to multiply decimal numbers by integers is crucial in various real-world scenarios, such as finance, science, and engineering. For instance, calculating the total cost of items, determining the area of a room for flooring, or measuring the volume of liquids in chemistry experiments all require proficiency in decimal multiplication.
Financial Example
Suppose you’re purchasing 2 items priced at $69.99 each. To find the total cost, you would multiply the price of one item by the quantity: 69.99 * 2 = 139.98. This calculation is essential for budgeting and financial planning.
What is the result of multiplying 69.9 by 2?
+The result of multiplying 69.9 by 2 is 139.8.
Why is it important to understand decimal multiplication in real-world applications?
+Understanding decimal multiplication is important because it is used in various everyday situations, such as calculating costs, measuring quantities, and solving scientific problems. It helps in making accurate calculations, which is crucial for decision-making and problem-solving.
