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Chapter 1: Q. 1.15 (page 16)
What is the place value for the bold digit?
a.
b.
c.
a. The place value of the bold digit is thousandths.
b. The place value of the bold digit is oneth.
c. The place value of the bold digit is hundredths.
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Solve each of the following for x:
a.
b.
Obtain a bottle of multivitamins and read the list of ingredients. What are the four chemicals from the list?
Classifyeachofthefollowingasanobservation,ahypothesis,
an experiment, or a conclusion:
a. A big log in the fire does not burn well.
b. If I chop the log into smaller wood pieces, it will burn better.
c. The small wood pieces burn brighter and make a hotter fire.
d. The small wood pieces are used up faster than burning the big log.
What are four things that would make it difficult for you to learn chemistry?
Identify each activity, a to f, as an observation, a hypothesis, an experiment, or a conclusion. At a popular restaurant, where Chang is the head chef, the following occurred:
a. Chang determined that Customers rated the sesame sales of the house salad seed dressing as the best. had dropped.
b. Chang decided that the house salad needed a new dressing.
c. In a taste test, Chang prepared four bowls of lettuce, each with a new dressing: sesame seed, olive oil, balsamic vinegar, creamy Italian, and blue cheese.
d. Tasters rated the sesame seed salad dressing as the favorite.
e. After two weeks, Chang noted that the orders for the house salad with the new sesame seed dressing had doubled.
f. Chang decided that the sesame seed dressing improved the sales of the house salad because the sesame seed dressing enhanced the taste.
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