Question

fill in the blanks: how many 2 digit numbers 3 digit numbers 4 digit numbers and 9 digit numbers we have in all

Answer 1

here is your answer
2 digit no. are 91
3 digit no. are 900
4 digit no are 9000
9 digit no are 9000000000

Answer 2

2 digit 91
3 digit 899
4 digit 8999
9 digit 899999999
Mark it as brainliest please