Chapter 1: Q7. (page 18)
Add
Short Answer
The correct answer of the addition is.
Chapter 1: Q7. (page 18)
Add
The correct answer of the addition is.
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Get started for freeThe age of the universe is thought to be about 14 billion years. Assuming two significant figures, write this in powers of 10 in (a) years, (b) seconds.
For an answer to be complete, the units need to be specified. Why?
Estimate the number of jelly beans in the jar of Fig. 1–18.
FIGURE 1-18 Problem 45. Estimate the number of jelly beans in the jar.
If you used only a keyboard to enter data, how many years would it take to fill up the hard drive in a computer that can store 1.0 terabytesof data? Assume 40-hour work weeks, and that you can type 180 characters per minute, and that one byte is one keyboard character.
You are in a hot air balloon, 200 m above the flat Texas plains. You look out toward the horizon. How far can you see; i.e., how far is your horizon? The earth’s radius is about 6,400 km.
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