Question

24.2 rounded to the nearest tenth

Answer 1

When you perform calculations you normally round your answer to the least number of significant digits of the numbers used in your calculator. In this case they are both 6. If you divide and round in this matter you will get 
24.2459 just an example
so basically it would be 24 since 2 is less than 5

Answer 2

24.0 is the real answer please ne carfukl