Anybody know mihir garimelle he is building drones that can fly places without a human pilot, so if they don't require human pilot how can they even fly without a human pilot?

One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.