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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Global Edition
1
Introduction, Measurement, Estimating
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1-4: Measurement, Uncertainty, Significant Figures
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1-5 and 1-6: Units, Standards, SI, Converting Units
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1-7: Order-of-Magnitude Estimating
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1-8: Dimensions
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Problem 23
A
3.9×10143.9 \times 10^{14} Please note: while the working in the video is correct, I made an error plugging in the numbers into my calculator for the final calculation. The quick answer shown in text above is correct, so please ignore the final answer shown in the video.
Giancoli 7th "Global" Edition, Chapter 1, Problem 23 solution video poster
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COMMENTS
By sergfo on Wed, 5/27/2020 - 3:10 AM

Hello, FYI this answer you wrote is different from the one given in the back of the book. The answer given is 4 x 10^14 kg. I recalculated your solution and it comes out the same as the book, so you must have just written the wrong exponent in the answer. Thanks!

By Mr. Dychko on Wed, 5/27/2020 - 3:57 PM

Hi sergfo, thank you for noticing that! I have make a correction to the final answer and made a note about the incorrect calculation in the video.
Thanks again,
Mr. Dychko

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