Question

Usain Bolt set a world record for 100m sprint in 9.58 seconds. Convert this time in seconds into a decimal fraction of an hour.

Answer 1

Usain Bolt's world record 100m sprint time of 9.58 seconds is equivalent to 0.0026611 hours when converted into a decimal fraction of an hour by dividing by 3600 (the number of seconds in an hour).

Step-by-step explanation:

Usain Bolt set a world record for the 100m sprint with a time of 9.58 seconds. To convert this time into a decimal fraction of an hour, we start by understanding that there are 3600 seconds in one hour. Therefore, we divide Usain Bolt's record time by the total number of seconds in an hour:

9.58 seconds ÷ 3600 seconds = 0.0026611 hours (rounded to 7 decimal places).

Bolt's record-breaking speed is an impressive feat in the world of athletics, showcasing human speed and endurance.

Answer 2

`\bf 9.58\underline{sec}\cdot \cfrac{1\underline{min}}{60\underline{sec}}\cdot \cfrac{1hr}{60\underline{min}}\implies \boxed{?}`

cancel the units as needed