Multiplying by 10, 100 and 1 000

Multiplying by 10
When you multiply a decimal number by 10 you move all the digits one place to the left. The number becomes 10 times bigger.
Example    2.63 x 10 = 26.3
You can see that the digits move along to the left. Units move to Tens, and the others follow like this:

Multiplying by 100
When you multiply a decimal number by 100 you move all the digits two places to the left. The number becomes 100 times bigger.
Example    2.63 x 100 = 263

Multiplying by 1 000
When you multiply a number by 1 000 you move all the digits three places to the left. The number becomes 1 000 times bigger.
Example    2.63 x 1 000 = 2 630