A number is42,300 when you multiplied by 10. Find the product of this number and 500

First we find what is the number that multiplied by 10 becomes 42,300, we'll call it X: 42,300=10X Divide each side by 10, so we can isolate the X: 4,230=X Lastly, the product of X and 500: 4,230*500=2,115,000