Question

A sorting machine can sort numbers in ascending order only. This machine can be used for sorting all negative numbers in descending order by
(1) Add 100 to all numbers, sort, subtract 100 again from each number
(2) Sort numbers, Change Sign of all numbers
(3) Subtract numbers from 100, sort, add 100 again to each number
(4) Change Sign of all numbers, sort numbers, change sign again

Answer 1

Option 4 is correct

Change Sign of all numbers, sort numbers, change sign again

Explanation:

One example of this question is:

Machine M1 contains 3 numbers: {30, 40, 50}

      Machine M2 contains 2 numbers: {35, 45}  

      Machine M3 contains 5 numbers: {10, 60, 70, 80, 100}

       

      Output: {10, 30, 35, 40, 45, 50, 60, 70, 80, 100}

See a relevant question here:

The universal set in this diagram is the set of integers from 1 to 15. place the integers in the correct place in the venn diagram.

https://brainly.com/question/11908976