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Anonymous
2016-01-24 23:11:40 Post No. 41126
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Anonymous
2016-01-24 23:11:40
Post No. 41126
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I got this book a couple years ago called Physics Demystified out of my own personal interest, and I've been stuck on these two questions in the first chapter since then. I've read the chapter over and over and still can't seem to understand the answers because the chapter doesn't really touch on what the questions are asking so I'm clueless.
The answers are in the back of the book, and even with the answers, I still don't get it.
The questions are,
>Suppose that you measure a quantity, call it q, and get 1.5 x 10^4 units. Within what range of whole-number values can you conclude that q actually lies?
Answer: 14,500 ≤ q < 15,500
>Suppose that you measure a quantity, call it q, and get 1.50 x 10^4 units. Within what range of whole-number values can you conclude that q actually lies?
Answer: 14,950 ≤ q < 15,050
They may seem simple to some of you, but I don't get it. Please help me understand why these are the answers.
>pic unrelated