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# Multiplying decimals example

To multiply decimals, we multiply them just like whole numbers. We count the number of digits behind the decimal in both numbers we're multiplying, and make sure our answer has the same number of digits after the decimal. - We can check our answer by thinking about what it means to multiply by 0.5 (or one half). Created by Sal Khan and Monterey Institute for Technology and Education.

## Want to join the conversation?

• Can you use Lattice multiplication while multiplying decimals?
• Yes. Draw your lattice, making sure to put the decimal in the correct place for each number. To figure out where the decimal belongs in your answer, put your fingers on each decimal in the numbers you multiplied together. Then, trace the decimals until your fingers meet at a corner in the lattice. Follow the diagonal from that spot to your answer. That is where your decimal belongs in the answer.
• how are some ways to multiply decimals
• Multiplying decimals is basically like multiplying non decimal numbers
Like so:
`3.4`
`x``5.4` `follow the same steps as:` `34` x `54` = `1,836`
----------
00136
+ 170
-----------
`18.36`
Always remember to line up your numbers correctly!

*If you need more detail in this answer, or you want another method, feel free to let me know!*
*I hope this helps!*
• I think this is my life now -_-
• hi! are all decimals tenths?
• no. just like regular place value, you can have tenths, hundredths, thousands, and others like you do in actual place value.
• hi everyone this video was amazing to me. you guys should see if there is one on world history.
• At why does zero have no value? Why is it allowed to be cut out?
• The zero is a placeholder. You can take it out if you want. Her is an example:
placeholder --> 0.70 x 0.7
They are both the same(0.7 and .7
hoped that helps!
Oh, and Yes, if there is nothing after a zero in the whole number (ex: 387.900), then, yes, it is allowed!
• can a world history teacher assign khan academy or just a core math teacher and an elective math teacher because I'm in middle school the sixth grade
• Can you switch the numbers around and multiply and get the same answer?