Unit-2 The World of Numbers

This unit puts light on the invention of numbers, origin of these numbers and how old are they.

Form the four digit number which have the following as the place values of its digits:
i.5000, 7, 80, 200
ii.7000, 60, 8
iii.1000, 400, 60

Answer

i.5000 + 200 + 80 + 7 = 5287

ii.7000 + 0 + 60 + 8 = 7068

iii.1000 + 400 + 60 + 0 = 1460