1. What is 13 × 40?

13 multiplied by 40 is a basic arithmetic operation that results in 520. This calculation is commonly used in various real-world applications.

2. How to Calculate 13 × 40

There are several methods to calculate 13 × 40:

Methods:

• Direct multiplication: 13 × 40 = 520
• Breakdown method: (10 × 40) + (3 × 40) = 400 + 120 = 520
• Using addition: 40 added 13 times = 520

3. Practical Applications

Examples: Calculating total items when you have 40 boxes each containing 13 units, or determining area when dimensions are 13 by 40 units.

4. Multiplication Tips

For similar calculations: To multiply a number by 40, you can multiply by 4 and add a zero at the end (13 × 4 = 52, then 52 × 10 = 520).

5. Frequently Asked Questions (FAQ)

Q1: What is 13 × 40?
A: The product of 13 and 40 is 520.

Q2: How can I verify this calculation?
A: You can use repeated addition (40 + 40 + ... 13 times) or use a calculator.

Q3: What if I need to calculate 13 × 39 instead?
A: You would calculate 13 × 40 = 520, then subtract 13 (520 - 13 = 507).

Q4: Is there a quick way to multiply by 40?
A: Yes, multiply by 4 and add a zero at the end (works for whole numbers).

Q5: Where might I use 13 × 40 in real life?
A: Useful for calculating quantities, measurements, or dimensions in construction, manufacturing, or inventory management.