Chapter 2: Problem 22
How many seconds are in 24 h?
Short Answer
Expert verified
There are \(86,400\) seconds in 24 hours.
Step by step solution
01
Convert hours to minutes
We know that there are 60 minutes in 1 hour. Therefore, to find the number of minutes in 24 hours, we can multiply the number of hours (24) by the number of minutes in 1 hour (60).
\(24 \, \text{hours} \times 60 \, \frac{\text{minutes}}{\text{hour}}\)
02
Calculate the number of minutes
Now, multiplying 24 by 60:
\(24 \times 60 = 1440 \, \text{minutes}\)
So, there are 1440 minutes in 24 hours.
03
Convert minutes to seconds
We know that there are 60 seconds in 1 minute. Therefore, to find the number of seconds in 1440 minutes, we can multiply the number of minutes (1440) by the number of seconds in 1 minute (60).
\(1440 \, \text{minutes} \times 60 \, \frac{\text{seconds}}{\text{minute}}\)
04
Calculate the number of seconds
Now, multiplying 1440 by 60:
\(1440 \times 60 = 86400 \, \text{seconds}\)
So, there are 86,400 seconds in 24 hours.
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Converting Hours to Minutes
To begin the process of converting time, it's essential to understand the basis of an hour. An hour consists of 60 minutes. This conversion is straightforward, requiring simple multiplication. For example, if you want to find out how many minutes are in 24 hours, you multiply 24 (hours) by 60 (minutes per hour).
This looks like:
- 24 hours x 60 minutes/hour = 1440 minutes.
Transforming Minutes to Seconds
Next, we tackle converting minutes to seconds. There are 60 seconds in one minute. Like converting hours to minutes, this process also involves multiplication. If you want to change 1440 minutes to seconds, simply multiply by 60.
The calculation goes:
- 1440 minutes x 60 seconds/minute = 86,400 seconds.
Understanding Unit Conversion
Unit conversion is a fundamental math skill that plays a crucial role in various real-life scenarios. It means changing one unit of measure to another while keeping the value equivalent.
In the context of time, unit conversion helps you switch from hours to minutes or seconds smoothly. You simply multiply by a conversion factor, which is the known number of smaller units in the larger unit (e.g., 60 minutes in an hour).
This concept is broadly applicable, not only in time conversions but in any situation requiring a change of units, like converting kilometers to meters or grams to kilograms. Understanding unit conversion streamlines problems and enhances mathematical flexibility.
Calculating 24 Hours in Seconds
To find how many seconds are in a full 24-hour day, first convert hours into minutes, and then minutes into seconds. Essentially, this involves two multiplication steps.
1. Convert 24 hours to minutes:
- 24 hours x 60 minutes/hour = 1440 minutes
- 1440 minutes x 60 seconds/minute = 86,400 seconds