Write this number showing three significant figures. Remember to round. 90,862
I am not sure the subject

3 significant figures means simply that you only want to see 3 numbers. To make 3 numbers out of those 5 you got there, just round the 6 up and make the 8 turn to a 9.

therefore, the answer you want is 90,9

its 42

i say its d?

answer; /// i believe that the correct answer is (50%);