cuz 100 have two zeros, you just add it to the 35 (you now have 3500) and then add the remaining 35 (35x1) ----- that way u have 3500 (35x100) + 35 (35x1) ------ and you have 3535 hope u understand
cuz 100 have two zeros, you just add it to the 35 (you now have 3500) and then add the remaining 35 (35x1) ----- that way u have 3500 (35x100) + 35 (35x1) ------ and you have 3535 hope u understand