How to calculate 81 multiplied by 5 using long multiplication. Here is step-by-step how to calculate 81 times 5 using long multiplication:
Step 1: Setup
Set up your multiplication problem like this:
| 8 | 1 | |||||||
| x | 5 | |||||||
Step 2: Multiply
5 x 1 = 5. Put 5 below the line and 0 as a reminder on top:
| 0 | ||||||||
| 8 | 1 | |||||||
| x | 5 | |||||||
| 5 |
Step 3: Multiply
5 x 8 = 40. Take 40 and add 0 from the previous step to get 40. Enter 40 at the bottom:
| 8 | 1 | |||||||
| x | 5 | |||||||
| 4 | 0 | 5 |
The bottom line is the answer. Therefore, 81 times 5 equals:
405
Long Multiplication Calculator
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How to calculate 82 multiplied by 5
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