Q: If you write down all the numbers from 1 to 100 how many times will you write the digit 3?

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18 times

20, don't forget 90, 91, 92, 93 ...... etc

You line them up and down and then multiply the first ones up and down on the right. then you do the diagonally ones and then you put a zero on the bottom right. then you go to the second number on the right and do the one diagonally and then the on up and down. then you add the two together and you have your answer. example:

Then you write down both numbers

they write them down

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120 times.

18 times

10

20, don't forget 90, 91, 92, 93 ...... etc

You line them up and down and then multiply the first ones up and down on the right. then you do the diagonally ones and then you put a zero on the bottom right. then you go to the second number on the right and do the one diagonally and then the on up and down. then you add the two together and you have your answer. example:

Write the two sums down one below the other and then draw a line underneath like so, then just do it backwards. do 4x6 then write it below. If you get a double digit then write the 4 underneath the 6 and a small 2 underneath the 4 next to the 6. Then when you times the next line add it on to the total 2344 x 1946 --------

118 The following from rjsiekman; Think of it as the number of times the 3 will be written in the hundreds, tens, and ones column. This analysis assumes whole numbers; otherwise you can write a 3 an infinite number of times. In the hundreds, 301.....399 is 99 (because it is stated the numbers between 300 & 400; 300 is not included). In the tens, 3 will be written for 330....339 which adds another 10. In the ones, 3 will be written for 303, 313....393 which adds another 10. So, in total, the 3 will be written 119 times.

Ask your instructor if you can write down your 10 digit code.

Then you write down both numbers

11, 12, 13, 14, 15, 16, 17, 18, 19As shown above, the digit 2 is only written once.

In numbers it is: 4,170,000 dollars

Press down the 2 and 3 buttons until you get a 3 digit number. Then write it down. Then press the AM FM button and you will get another 3 digit number. Write that one down and then post both of them (all 6 digits) here.