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yKpoI14uk [10]
3 years ago
9

Suppose that Max and Maria recorded data from

Chemistry
2 answers:
Lemur [1.5K]3 years ago
4 0

D

extra words for 20 letters

Anna007 [38]3 years ago
3 0

Answer:

He used too few significant digits

Explanation:

The answer is D

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Mr. Summers observed that kids with hot dogs are happy. This observation led to a hypothesis that hot dogs must make kids happy.
Maslowich

Given what we know, we can confirm that since Mr. Summers has to test a hypothesis, his next step should be to design an experiment.

<h3>Why design an Experiment?</h3>
  • The next step is to design an experiment.
  • This is because Mr. Summers has already made an observation and created a problem.
  • He must now gather data to be analyzed.
  • In order to do this, he must first design and perform an experiment.

Therefore, we can confirm that Mr. Summers must design an experiment given that this is the best way to gather data in order to be analyzed in the future and draw a valid conclusion.

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2 years ago
If 25.8 grams of BaO dissolve in enough water to make a 212 gram solution, what is the percent by mass of the solution?
Scorpion4ik [409]
Mass of solute = 25.8 g

mass solution = 212 g

% =(  mass of solute / mass solution ) x 100

% = ( 25.8 / 212 ) x 100

% = 0.122 x 100

= 12.2 %



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3 years ago
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The theory of continental drift was widely unaccepted until scientists started using ________ the map the ocean floor.
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