The following arithmetic expression will yield what type of number? 3 + 15 * 5/2 exponential floating point integer round off The tan() function requires the angle to be in degrees. True False In C, which expression will not lead to the value of x increasing by 1? x = x + 1: x++: ++x: x += 1: Which expression in C can be used to compute x^2? pow(x, 2) exp(2) x(pow)2 x^2 When a floating-point number is assigned to an integer variable, the number is: truncated rounded down