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∙ 2018-03-07 13:23:34Ten out of every 100 numbers from 150 to 959 . . . . . 90 times.
That looks like it should be the same as 10 times (the number of times the digit 1 occursin the units place in the numbers from 10 to 100), which would work out to 90 .
10 1000/100 = 10
No. 1000 has 4 digits and is the smallest 4-digit number. The smallest 3-digit number is 100.
10 times.. because.. 100 * 10 = 1000
Into 100 five times into 1000 fifty times
90 of them.
The two-digit factors of 100 and 1000 are all composite.
10 times for the one's digit, 1-100 10 times for the ten's digit, 60-70 = 20 times
100 times greater.
Twenty times.
19 times.