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Anonymous Anonymous
  • 06-09-2016
  • Mathematics
Answered

explain how using basic facts can help you find 10×20×30×40 mentally?

Verified Answer :

Jennnyyy
Jennnyyy Jennnyyy
  • 06-09-2016

So all you have to do is take the first numbers of each multiple and multiply them. 
1 x 2 x 3 x 4 = 24 
Now you just add the 4 zeros to your answer. 
240,000 

Our answer even checks! 
10 x 20 x 30 x 40 = 240,000 

Good Luck! :)

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