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How many 7 distinct digit telephone numbers are there if the 1st digit may not be zero?
Wiki User
∙ 8y ago
Nine million of them.
Wiki User
∙ 8y ago
Wiki User
∙ 8y ago9,000,000
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How many five digit hexadecimal strings are there?
Considering the lowest five digit hexadecimal number is 10000 (65,536) and the highest is FFFFF (1,048,575), there are 983,040 different hexadecimal numbers that are five digits.
Is 123 in Decimal System equal to 1111011 in binary system?
The rightmost digit represents how many 1s (in this example 1) 1 The next digit left represents how many 2s (in this example 1) 2 The next digit left represents how many 4s (in this example 0) 0 The next digit left represents how many 8s (in this example 1) 8 The next digit left represents how many 16s (in this example 1) 16 The next digit left represents how many 32s (in this example 1) 32 The next digit left represents how many 64s (in this example 1) 64 Total 123
How does hand crank telephone works?
the many things...
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 do you find odd or even in n number of value?
-- First of all, if the number is a fraction or a decimal, then don't worry about it. Only whole numbers are considered odd or even. -- All multiples of 2 are even numbers, and that's easy to recognize. It doesn't matter how big the number is, or how many digits it has. You only have to look at the last digit (the one on the right-hand end). If that digit is 2, 4, 6, 8, or 0, then the whole big number is even. Otherwise it's odd.
How many four digit EVEN numbers have all 4 digit distinct?
2240
How many distinct 4-digit numbers have a digit sum of 7?
-3
How many distinct 4-digit numbers have a total of 7?
-3
How many digits are there in Turkish telephone numbers?
Telephone numbers in Turkey consist of the telephone country code +90, followed by a three-digit area code and a 7-digit subscriber number.
How many 4 digit numbers can are there with distinct digits?
4,536 whole numbers or mixed numbers. 5,040 pure decimals.
How many 3 digit numbers are there with distinct digts with each digit odd?
because there are 32890431 in the pie scenario it concludes the
How many 7 digit telephone numbers can be formed the first digit cannot be zero?
9,000,000 if there are no other requirements.
How many different positive four digit integers can be formed if the first digit must be even the last digit must be odd and all digits must be distinct?
There are 320 such numbers.
Find the all distinct four-digit numbers that contain only the digits 12345?
There are 625 of them - too many to list.
How many seven-digit telephone numbers are possible if the first two digits cannot be ones or zeros?
That makes:* 8 options for the first digit * 8 options for second digit * 10 options for the third digit * ... etc. Just multiply all the numbers together.
A telephone company wants to create as many 7-digit phone numbers as possible without changing the first 3 digits How many phone numbers can be created?
10,000
How many three digit numbers with distinct digits?
1000there aren't even 1000 three-digitnumbers...There are the digits 1 through 9 for the first digit. Then, we have 0 through 9 for the second digit - excluding the first digit. For the third digit, we have 0 through 9, excluding the two previous digits for a total of 9*9*8 =81*8 =648 three digit numbers with distinct digits.EDIT- ... to be a little more specific, if your talking about a 3-digit password or unlock code its would be 1000. _-_
