Question

3) Insert commans suitaraly and write the name
according to international
system of numerati
87290129​

Answer 1

step 1: as per international system of numeration, we have to start grouping       the digits from right hand side in the group of 3.

step 2: These are called periods like ones, thousands, millions, billions. we need to put commas after each period so that number can be easily readable.

step 3: this number can be written as 87, 290, 129.

step 4: its name can be written as: eighty seven million, two hundred and ninety thousand, one hundred and twenty nine.