Answer:
A. 9, 18, 27, 36, 45, 54, 63, 72, 81, 90
B. Digits in the 10's place are increasing by 1.
C. Digits in the 1's place are decreasing by 1.
Explanation:
A.
First 10 multiplies of 9 starting with 9 are:
09, 18, 27, 36, 45, 54, 63, 72, 81, 90
B.
Digits in the 10's place are:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
They are increasing by 1.
C.
Digits in the 1's place are:
9, 8, 7, 6, 5, 4, 3, 2, 1, 0
They are decreasing by 1.