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Question: nd chemistry metric system and equivalents table 11 quantity base...

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nd Chemistry Metric System and Equivalents TABLE 11 Quantity Base Unit U.S. Equlvalent Length Volume MassGram (g) 036 ounce es of a pound) 1.09 yards (39.4 inches) 1.06 quarts Meter (m) Lifter (L) Second Second (s) Time For example, if you had 1,000 grams, you would have a kilogram. If you had one-thousandth of a gram (1000 gram), you would any na- have a milligram. Examine table 1.2 as you answer the following ties such questions. For those questions highlighted with a question mark, cause the fill in the Chapter Summary Data section at the end of the exer- to higher cise with your results if your instructor wants you to hand in your results. using the working on ed a larger @what is yǐ00gram? er nhe-inch, res a bit of n the otherWhat is 1,000 seconds? imeter (mm) mm, 14 mm., What is 10 meters? Sources per @What is ½moooo liter? 1 gallons is a metric system 00 milliliters in iliters e centimeter, so as 1.l and compare places to the left and thus the onal conversions 6,000 in scien As you can see from table 1.2, some measurements in science are very small. For example, the amounts of hormones circulating are minute. To provide a shortened notation of very scientific notation. A number such in the blood large or small numbers we use or cubic 60,000 is written as 6 x 104. You move the decimal noint f
EXERCISE Activity Convert the following numbers into scientific notation: 4,300,000 0.000034 2,200 0.0019 Ni 6 of st in SC Data Collection Before you begin this section read Working in Lab and Lab Reports in the Student Preface. Scientists experiment by altering one variable and seeing what effect occurs. For example, the change in the weight of a person can be altered by diet or exer- cise. In an experiment, only one variable (diet or exercise, but sa not both) should be changed to see how that change affects the pl weight of the subject. The variable that scientists change in an experiment is called the independent variable. The exercise regi- men of a person is the independent variable. The result caused by the change in the independent variable is known as the dependent variable. The change in weight as a result of exercise is the dependent variable. be thi he By graphing data you can more easily see potential correla-
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