Students enrolled in a digital classroom participate in discussions and take field trips with classmates. watch instructional videos and turn in assignments online. take notes online but take tests in front of a teacher at school. listen to lectures online but make presentations at school.

Which of the following is true of heuristics? a)heuristics always lead to correct solutions of a problem. b)heuristics represent commonly used approaches to the solution of a problem.c) heuristics are a slower way to solve problems than are other strategies. d)heuristics are used by computers but not by humans as problem-solving tools.