How many times does
many times does 9 occur in two-digit nun
(1) 17 (2) 18 (3) 19 (4) 20
Answers
Answered by
2
Answer:
11 Step by step: 19,29,39,49,59,69,79,89,99
Answered by
1
Step-by-step explanation:
1.(3)19
:19,29,39,49,59,69,79,89,99.
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