How many times does 2 occurs in between 1 to 100 (a) 10, (b) 20 step by step explaination please
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To figure this out, I wrote out all the whole numbers from 1 to 100…
1, 2, 3, 4, …, 99, 100
and then I removed all numbers EXCEPT for the 2’s and then counted the 2’s.
There were 20 2’s.
To confirm, I wrote out the values for the 20 2’s that existed:
2, 12, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 32, 42, 52, 62, 72, 82, 92
Confirmed. 20 number 2’s for the whole numbers between 1 and 100.
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