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15 seconds as a Decimal
This is a simple question on time conversion. Firstly, we need to understand how to convert time into decimal format. Time is typically measured in hours, minutes, and seconds. To represent a portion of time as a decimal, we need to convert the time from seconds into a fractional part of a minute or hour. Using decimal notation allows for easier calculations in various contexts.
How do you express 15 seconds as a decimal?
Answer
15 seconds can be expressed as 0.3 minutes in decimal form.
Explanation
To convert 15 seconds into a decimal, we need to express it as a fraction of a minute. There are 60 seconds in a minute. Therefore, 15 seconds is 15/60 of a minute. Performing the division gives us:
Step 1: Identify the number of seconds (15) and the total seconds in a minute (60).
Step 2: Express the fraction as 15/60.
Step 3: Simplify the fraction by dividing both the numerator and denominator by the greatest common divisor, which is 15.
Step 4: 15 ÷ 15 = 1 and 60 ÷ 15 = 4, so the simplified fraction is 1/4.
Step 5: Convert the fraction to a decimal by dividing the numerator by the denominator: 1 ÷ 4 = 0.3.
Thus, 15 seconds is equivalent to 0.3 minutes in decimal form.
Important Glossaries for 15 seconds as a decimal
- Time Conversion: The process of changing one unit of time into another.
- Fraction: A numerical representation of a part of a whole, expressed as 'a/b'.
- Decimal: A number that uses the base ten, expressed with a decimal point to represent a fraction of a whole.
- Numerator: The top number in a fraction, indicating how many parts of the whole are considered.
- Denominator: The bottom number in a fraction, showing the total number of equal parts in the whole.
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