#include
int main()
{
printf("%f\n", log(36.0));
return 0;
}
answer:#include"math.h"
2.We want to round off x, a float, to an int value, The correct way to do is
A.
y = (int)(x + 0.5)
B.
y = int(x + 0.5)
C.
y = (int)x + 0.5
D.
y = (int)((int)x + 0.5)
3.
Which of the following statement obtains the remainder on dividing 5.5 by 1.3 ?
A.
rem = (5.5 % 1.3)
B.
rem = modf(5.5, 1.3)
C.
rem = fmod(5.5, 1.3)
D.
Error: we can't divide
