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barxatty [35]
3 years ago
7

Eric's notebook has 30 pages he wants to write a number on each page how many digits will he wright when he numbers all the page

s in the notebook
Mathematics
2 answers:
Andrew [12]3 years ago
8 0
There are 9 one-digit bumbers and 21 two-digit numbers 9 + 21×2= 9 + 42 or 51 digits
sweet-ann [11.9K]3 years ago
3 0
Simple. Just break the idea!
You have 9 single digit numbers.
Then you have 21 that two digits.
Multiply 21 and 2. Afterwards add 9 and there is your answer!
51 digits!
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