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### Unit 2: Lesson 3

Topic C: Decimal multi-digit multiplication

# Developing strategies for multiplying 2-digit decimals

Sal uses place value and equivalent mixed numbers to multiply decimals.

## Want to join the conversation?

• why is khan jump to hard problems right away like when you are trying it for the first time is it to push us .
• This is how a problem works if you know multiplication:
Example:0.52x0.3
52
x 3
• I don't get the multiplying part..
• Try to have a parent explain to you
• How do you multiply a big whole number, like 217 with a long decimal like 19.45? I've looked for a while for a video on that, but can't find one. I'm guessing you just do what Sal said but don't count any places over the decimal. But I'm not sure so please respond.
• One way we can multiply those numbers or digits is area model or standard
• this is very easy bro ! and everyone like Khan academy !bro
• this is fun and easy.=)
• what do u mean by 3 1/10?