Question

Charles wants to determine which car is the fastest. The actual speed of four cars is shown below.


Car
A
B
C
D
Speed (in km/h)
60.34
60.32
60.33
60.35


If the speedometer can only measure to the nearest tenth of a second, which car will have a different measurement?
Car A

Car B

Car C

Car D

Answer 1

D will have a different measurement.

When rounding to the nearest 10th of a second :
A. 60.34 = 60.3
B. 60.32 = 60.3
C. 60.33 = 60.3
D. 60.35 = 60.4

Answer 2

Because if it 5 or above, it rounds up

Answer 3

thank you ! :)

Answer 4

anytime :)