Question

If you write down all the numbers from 1 to 100, how many times do you
write 3 ?
A. 11
B. 18
C. 20
D. 21​

Answer 1

Answer:

3,13,23,33,43,53,63,73,83,93

Step-by-step explanation:

a.11

Answer 2

Answer:

(c)20

Step-by-step explanation:

generally,

from 1-10,we use the digit 3 for 1 time

from 11-20,we use the digit 3 for 1 time

from 21-30,we use the digit 3 for 2 times

from 31-40,we use the digit 3 for 10 times

from 41-50,51-60,61-70,71-80,81-90,91-100,we use the digit 3 for 6times

total=1+1+2+10+6=20times

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