Question

MAFS.5.NBT.1.4

5. Usain Bolt holds the record for the fastest time in
the 100 meter dash. He first broke the record in
2008 when ran the 100 meter dash in 9.683 seconds.
In 2009, he ran the 100 meters in 9.572 seconds.
Tell whether each sentence is True of False.
5a. Rounded to the nearest tenth, O True False
both times are the same.
5b. Rounded to the nearest whole O True False
number, both times are the same.
5c. Usain's time in 2009 was O True False
faster than his time in 2008.

Answer 1

Explanation:

5a- rounding to nearest 10th 9.683 = 9.7

rounding to nearest 10th 9.572 = 9.6 both times are not same so false

5b rounding to near est whole no

9.683 and 9.572 become 10. both are same. true.

5c he is faster in 2009 true