0
The answer is 300.
(9,19,29,39,49,59,69,79,89,90,91,92,93,94,95,96,97,98,99) = 20
20*10 (ten hundreds) = 200
Add another 100 for the nine hundred (from 900 to 999)
200+100 = 300
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∙ 11y ago
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How many times does the digit 1 appear in numbers from 1 to 100?
Including the one in ' 1 ' and the one in '100', there are 21 1s.Every other digit 2 - 9 appears 20 times between 1 and 100 .
How many 4-digit numbers are possible if the hundreds digit is 8 and if repetition of digits is allowed?
-4
How many positive four digit integers have 1 as their first digit and 2 or 5 as their last digit?
There are 200 positive four digit integers that have 1 as their first digit and 2 or 5 as their last digit. There are 9000 positive four digit numbers, 1000 through 9999. 1000 of them have 1 as the first digit, 1000 through 1999. 200 of them have 2 or 5 as their last digit, 1002, 1005, 1012, 1015, ... 1992, and 1995.
How many 3-digit codes using the digits 0-9 are possible if repetition are allowed?
1000
How many times greater is the place value of a digit of a number than the place value of the next digits to the right?
In the decimal place value system, each digit is ten times bigger than the digit on its right
How many times digit 8 appears from 1 to 100?
11 times
How many times does the digit 1 occur in ten place in the numbers from 1 to 1000?
How many times does the digit 1 occur in ten place in the numbers from 1 to 1000?
How many times does the digit 9 from 100 to 1000?
There are 280.
How many times does the digit 8 appear in the integers from 1 to 1000?
300 times.
How many times does the digit 5 appear from 1 to 1000?
300
How many times will the digit 7 appears in a digital clock in 24 hours?
146 times.
How many times does four appear in 100?
As a digit in other numbers it appears 20 times
How many times greater is a digit in the thousands place than that same digit in the hundreds place?
1000
What is the program to figure out how many numbers from 0 to 9 are needed for 1 to 89 for example?
#include<iostream> #include<array> #include<sstream> std::array<int,10> get_frequency (int range_min, int range_max) { if (range_max<range_min) std::swap (range_min, range_max); std::array<int,10> digit {}; for (int count {range_min}; count<=range_max; ++count) { std::stringstream ss {}; ss << count; std::string s {}; ss >> s; for (auto c : s) { ++digit[c-'0']; } } return digit; } int main () { std::array<int,10> digit {}; digit = get_frequency(1, 89); std::cout << "In the range 1 to 89...\n"; for (int d {0}; d<10; ++d) { std::cout << "\tthe digit " << d << " appears " << digit[d] << " times.\n"; } } Output: In the range 1 to 89... the digit 0 appears 8 times. the digit 1 appears 19 times. the digit 2 appears 19 times. the digit 3 appears 19 times. the digit 4 appears 19 times. the digit 5 appears 19 times. the digit 6 appears 19 times. the digit 7 appears 19 times. the digit 8 appears 19 times. the digit 9 appears 9 times.
How many times the digit 7 appears between the range 100-475?
73
How many times does the word trust appears in the holy bible?
1000
How many times the word holy appears in the holy bible?
1000
