Question

. Mona swims a race in 28.872 seconds. What is her race time rounded to the nearest tenth of a second? 28.8

28.87
28.9
28.97

Answer 1

The answer would be 28.9, because find the place you want to round too, now take the number following it. If it is 5 or greater you round up. if it is 4 or lower round down. And in this example 7 follows the 8. so you would round up.

Answer 2

28.8 seconds because the first number behind the decimal is the tenth