Question

Which of these names can be variable names? _nase _4you 4him n4galaxy n_blrds Name_Lastname _t_h_i_s _t_h_l_s# There Is an error In this program. Describe the error and provide a solution. #include <iostream> int main(){const double pi = 3.1415; double radius = 2; std::cout << "Area is " << pi * radius * radius << std::endl; pi = 3.141592; std;:cout, "A more precise area is " << pi * radius * radius << std::endl;}

Answer 1

Answer 5)

Summer olimpics were held inUSA in 1904, 1932, 1984, and 1996
Summer olimpics were held inGreece in 1896, 1986, and 2004

Answer 6)

these can be variable names:

_name
_4you
n4galaxy
n_birds
Name_lastname
_t_h_i_s

Answer 7)

error: assignment of read only variable 'pi' pi=3.141592;

we assigned the 'pi' variable as a const so it is a read only variable , we can't able to modify in the program.