JAMB - Mathematics (2018 - No. 57)
Approximate 0.9875 to 1 decimal place.
1.1
1.0
0.9
0.10
Giải thích
9 is on one decimal place, the next number to it is 8 which will be rounded up to 1 because it is greater than 5 and then added to 9 to give 10, 10 cannot be written, it will then be rounded up to 1 and added to 0.
So the answer is 1.0