Question

A new colony was built and the builder gave contract to a algn maker to number the buildungs from number 1 to 500.how many zeroes will he need???

Answer 1

1 to 100 = 11
101 to 200 = 20 201 to 300 = 20 
301 to 400 = 20 
401 to 500 = 20 
Total = (91)
91 zeros would be required.