Exercise 5 - Let's keep it simple.

[johnyorke]

#import <Foundation/Foundation.h>

int main(int argc, char *argv[])
{
    float x;
   
    x = (3.31e-8 + 2.01e-7) / (7.16e-6 + 2.01e-8);
   
    NSLog(@"x = %.2e", x);
   
    return 0;
   
}

Output: 2011-12-02 21:08:47.149 excercises[270:707] x = 3.260400e-02

Hope it's right...