- Multiply the non zero numbers.
- Count the number of zeroes in the factors.
- Add the same number of zeroes to the product.
Example: 23x400
First multiply 23 and 4, this gives 92.
There are 2 zeroes in the question, hence the result is 9,200.
Answer: 9,200
Example: 30 x 400
First multiply 3 and 4, this gives 12.
There are 3 zeroes, hence the result is 12,000.
Answer: 12,000
Directions: Multiply the following. Also write at least 20 examples of your own.
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