Question

Which number is 164,502,423 decreased by 100,000?

Answer 1

If you'd want the answer you have to do 164,502,423 subtract 100,000 which all you have to do is subtract from the hundred thousands place which is in this case 500,000 so it would be 164,402,423. I hope i gave a good understanding :)

Answer 2

Hello! 

This is very basic math.. So I should be able to help you :)  
The correct answer you should have gotten is: $164, 402, 423$

You should have subtracted from the hundred thousands place, which would have brought you down "1" hundred thousand points. . . 

Hope it Helped :)