Question

how many 6 digit numbers are there in all​

Answer 1

Answer:

1,000,000

Step-by-step explanation:

If digits may be repeated and “0″ allowed as first digit, the total of 6 digit numbers = 10^6=1,000,000.

Answer 2

If digits may be repeated and "0" allowed as first digit, the total of 6 digit numbers =10^6 =1,000,000