Question

find missing number?​

Answer 1

439is the number which has its hundred digit is 4 which is the square root of 16 and itd tense digit is the squre root of 81 and once digit is the square root of 9. So, in second case similarlay the missing numbrr will be the square root of 64 which is 8 then the square root of 100 which is 10 and then the last digit will be the square root of 49 which is 7 so our missing number will be 8107.