How to multiply large numbers from left to right?

How do you multiply 346 x 86 from left to right?How to multiply large numbers from left to right?
Multiply digit by digit. Make sure to cross out 6 and add zero at the end. Add all numbers together.How to multiply large numbers from left to right?
methinks...





something like:





3 * 86 = 3*(90-4) = 270-12 = 258 * 100 = 25800


plus


4 * 86 = 344 * 10 = 3440


plus


6 * 86 = 276


equals


29240 + 276


equals


29516





Ans: 29516





am i close? as a check estimate 350*90 = about 30000. i'm close.





Viola!
You visualize in your head:





346


x 86


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