Question

solve it:
three had been done for you​

Answer 1

i) 81

ii) 891

iii) 89991

iv) 899991

v) 8999991

Answer 2

Answer:

$9999 \times 9 = 89991 \\ 99999 \times 9 = 899991 \\ 999999 \times 9 = 8999991$