Reading Questions: Chap 4 Magnitudes
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Reading Question 4. 1 What units do you habitually use to measure body weight? In your preferred unit, how many digits correspond to a very small person, how many to a very large person? Do you need a decimal point for everyday precision?
Reading Question 4. 2 What units do you habitually use to measure speed, either walking or biking or driving or flying? In those units, how many digits are needed across the spectrum encounted in everyday movement?
Reading Question 4. 3 Explain what is meant by a mantissa and the rule for formating one.
Reading Question 4. 4 What is the non-mantissa part of a number in scientific notation. (If you earlier learned another name, give that. But also give the one used in the chapter.)
Reading Question 4. 5 Consider the range of weights of these mammalian species: bat, cat, human, cow, whale. (You may have to do a web search to get typical values.) How many orders of magnitude are spanned between a bat and a whale?