Question

39. Sam and Tom ran 60 m.
Sam took 9.4 seconds, correct to the nearest tenth of a second.
Tom took 8 seconds, correct to the nearest second.
(a) Write down the upper bound for the time taken by Sam.
(b) Calculate the greatest possible difference between the time taken by Sam and the tim
taken by Tom​

Answer 1

Answer:

9.0

Step-by-step explanation:

8.0

upper bound 10

difference 1.4