inclusive number

Seth is constantly forgetting the combination to his lock. He has a lock with four dials. (Each has 10 numbers 0-9). If Seth can try one lock combination per second, how many seconds will it take him to try every possible lock combination? Start with 0001, 0002, all the way to 9999 When you do...

Add all the whole numbers 1 through 100 Using our inclusive number word problem calculator, we get: 5,050