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Assume the following variable definition appears in a program: double number = 12.0; Write a cout...

Assume the following variable definition appears in a program: double number = 12.0; Write a cout statement that uses the setprecision manipulator and the showpoint manipulator to display the number variable with 8 significant digits, padded with trailing zeroes. (Assume that the program includes the necessary header file for the manipulators.)

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Answer #1

#include <iostream>
#include <iomanip>
using namespace std;

int main() {

double number = 12.0;
cout<<setprecision(8)<<setfill('0')<<showpoint<<number;

   return 0;
}

Output:

12.000000

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