Chapter 1: Problem 7
How many years older will you be 1.00 gigasecond from now? (Assume a 365-day year.)
Short Answer
Expert verified
You will be 32 years older in 1 gigasecond.
Step by step solution
01
Understand a Gigasecond
A gigasecond is equivalent to 10^9 seconds. It's a unit of measurement commonly used in scientific contexts to represent large amounts of time.
02
Convert Gigaseconds to Seconds
Since we know that 1 gigasecond is equal to 10^9 seconds, we now have the total time in seconds directly: 1 gigasecond = 10^9 seconds.
03
Convert Seconds to Minutes
There are 60 seconds in a minute. Hence, we compute the number of minutes in a gigasecond as follows:\[\text{Minutes} = \frac{10^9}{60} = \frac{1000000000}{60}\approx 16666666.67\text{ minutes}\]
04
Convert Minutes to Hours
There are 60 minutes in an hour. Hence, compute the number of hours:\[\text{Hours} = \frac{16666666.67}{60} = \approx 277777.78\text{ hours}\]
05
Convert Hours to Days
There are 24 hours in a day. Thus, compute the number of days:\[\text{Days} = \frac{277777.78}{24}\approx 11574.07\text{ days}\]
06
Convert Days to Years
Assuming a year has 365 days, divide the number of days by 365 to obtain the number of years:\[\text{Years} = \frac{11574.07}{365} \approx 31.71\text{ years}\]
07
Round to Find Whole Years
Since you typically talk about age in whole years, we can round 31.71 to the nearest whole number, which is 32.
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Time Conversion
Time conversion is the process of changing a measure of time in one unit to another. This is important in many calculations, like from seconds to minutes, minutes to hours, or even seconds to years.
For example, to convert seconds to minutes, we use the fact that there are 60 seconds in one minute. This means if you have a gigasecond, which is 1,000,000,000 seconds, you divide by 60 to find the equivalent in minutes.
For example, to convert seconds to minutes, we use the fact that there are 60 seconds in one minute. This means if you have a gigasecond, which is 1,000,000,000 seconds, you divide by 60 to find the equivalent in minutes.
- Converting minutes to hours uses the same concept but involves dividing by 60 again, because there are 60 minutes in an hour.
- For hours to days, you divide by 24 because each day has 24 hours.
Scientific Notation
Scientific notation is a way to express very large or very small numbers in a simplified form, which is especially useful in scientific calculations.
A gigasecond, which represents 1,000,000,000 seconds, can be expressed in scientific notation as \(10^9\) seconds.
This notation is convenient in computation because it makes reading, writing, and working with large numbers manageable.
A gigasecond, which represents 1,000,000,000 seconds, can be expressed in scientific notation as \(10^9\) seconds.
This notation is convenient in computation because it makes reading, writing, and working with large numbers manageable.
- In scientific notation, a number is split into a coefficient and a power of ten. For example, \(1.0 \times 10^9\).
- This helps in easily multiplying and dividing numbers by adjusting the exponents.
Age Calculation
Age calculation using a given time span helps in estimating how much older you or someone will be after a specified duration.
In this exercise, the calculation is to determine how many years you will age in a gigasecond.
This involves converting one gigasecond into years and then seeing how many years that is.
In this exercise, the calculation is to determine how many years you will age in a gigasecond.
This involves converting one gigasecond into years and then seeing how many years that is.
- The result comes from first determining how many seconds fit into a standard year (assuming 365 days).
- By finding out how many of these segments of time fit into a gigasecond, you can determine the growth in age over such a period.
Seconds to Years Conversion
The conversion from seconds to years is crucial to understand how a brief unit like a second correlates to something larger like a year.
One gigasecond consists of \(10^9\) seconds, which needs to be converted step-by-step into years for practical understanding.
To achieve this, you first convert seconds into minutes, then into hours, and so forth until reaching years.
One gigasecond consists of \(10^9\) seconds, which needs to be converted step-by-step into years for practical understanding.
To achieve this, you first convert seconds into minutes, then into hours, and so forth until reaching years.
- This conversion involves using consistent constants: 60 seconds equals one minute, 60 minutes equals one hour, 24 hours equals one day, and typically, 365 days make up a year.
- Finally, by dividing the total number of seconds by the total number of seconds in a year, you obtain how many years are in a gigasecond.