How much is 10 times 40?

To find the decuple of 40, multiply 40 by 10. “Decuple” means ten times a number, so the calculation is simply 40 × 10. This is a common operation when you want to scale a value by a factor of ten, such as converting between units in powers of ten, adjusting quantities, or doing quick mental math. Put another way, making a number decuple increases it by a factor of 10. If you start with 40, the result is the value you get after multiplying by 10. Below are the elements of the multiplication that computes the decuple of 40:

• operation: 40 x 10;
• multiplicand: 40;
• multiplier: 10;
• operator: x;
• product: 400.