What decimal part of an hour is one second?

Problem restatement
Convert 1 second into the decimal fraction of 1 hour.

Given data

• 1 hour = 60 minutes = 3600 seconds.

Concept/Approach
Express 1 second as a fraction of 1 hour, then write that fraction in decimal form.

Step-by-Step calculation
Fraction of an hour = 1 second / 3600 seconds = 1/3600 Decimal = 1 ÷ 3600 = 0.000277...

Verification/Alternative
Since 1/36 = 0.027777..., dividing by 100 gives 0.00027777... (7 repeats).

Common pitfalls

• Using 1/60 (minutes) instead of 1/3600 (seconds).

Final Answer
0.000277...