https://binary2hex.com/allsystem.html?id=7079

Multiply 1001(2) on 2(10) = 18 Column

Enter two numbers and specify their base of the number system:

You entered numbers in different number systems. However, only numbers in the same number systems can participate in the calculation. We will translate the first number 10012 in 10 - Richard number system like this:

let\'s translate to decimal like this:

1∙23+0∙22+0∙21+1∙20 = 1∙8+0∙4+0∙2+1∙1 = 8+0+0+1 = 910

got It: 10012 =910

x9
2
18
18
the Final answer: 10012 * 210 = 1810