The phrase "a multitude of tasks" is correct and usable in written English.
You can use it in any context where you need to refer to a large quantity of tasks or jobs that need to be completed. For example: "The manager had to oversee a multitude of tasks in order to ensure the project was completed on time."
It means single-tasking rather than switching between a multitude of tasks and focusing on none of them.
A multitude of tasks await me — telephone calls, errands.
These tiny devices can accomplish a multitude of tasks.
The American military has considerable combat power, but it also has a multitude of tasks.
But we are talking about using swarms of lightweight, low-cost machines to do a multitude of tasks.
Teaching is a stressful job, especially when it comes to managing difficult classes, balancing a multitude of tasks and coping with rapid policy changes.
Using linear regression, we identified a multitude of task-related signals represented simultaneously in the responses of FEF neurons, including the direction of motion and the color of the stimulus, the context, and the developing choice.
But I have come to accept that home is the place where I am expected to repeat myself, and stable domestic life seems to depend on a multitude of such tasks.
Written by researchers from Huazhong University of Science and Technology in China and Worcester Polytechnic Institute in Massachusetts, the study claimed the relationship between the anatomical structure of the hand and its ability to grasp objects is "the proper design by the Creator to perform a multitude of daily tasks in a comfortable way".
Bhasker helmed a multitude of production tasks, including production, instrumentation and songwriting.
Of note, deep convolution neural networks (CNNs 44,45,46,47 have shown high performance in a multitude of image analysis tasks including over a range of fields, including ophthalmic imaging.
