three of the roommates decided to combine their money to purchase a single birthday gift for the fourth roommate the first roommate donated 1203 the s
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ATI TEAS 7

ATI TEAS Math Practice Test

1. Three roommates decided to combine their money to buy a birthday gift for the fourth roommate. The first roommate contributed $12.03, the second roommate gave $11.96, and the third roommate donated $12.06. Estimate the total amount of money the roommates used to purchase the gift

Correct answer: C

Rationale: To find the total amount contributed, you can add the individual contributions: $12.03 + $11.96 + $12.06 = $36. Therefore, the roommates used a total of $36 to purchase the gift. Choice A ($34), B ($35), and D ($37) are incorrect as they do not reflect the accurate total amount contributed by the roommates.

2. The author's purpose, major ideas, supporting details, visual aids, and vocabulary are the five key elements of what type of text?

Correct answer: D

Rationale: The author's purpose, major ideas, supporting details, visual aids, and vocabulary are key elements typically found in informational texts. Informational texts aim to inform and educate readers about a specific topic, which is why these elements are crucial for effectively conveying information in a clear and organized manner. Fictional texts focus more on storytelling and creativity rather than presenting facts and information, so they do not always include these specific elements. Narratives primarily focus on telling a story or recounting events, while persuasive texts aim to convince or sway the audience's opinion, so they may not always encompass all the elements mentioned in the question.

3. What macromolecules are formed from amino acids, and what are their roles?

Correct answer: C

Rationale: The correct answer is C. Proteins are macromolecules formed from amino acids and have diverse roles, such as serving as enzymes, transport molecules, and providing structural support. They are essential for catalysis, cellular communication, immune response, and many other functions in living organisms. Choices A, B, and D are incorrect. Lipids are not formed from amino acids but from fatty acids and glycerol, mainly serving as energy storage molecules. Carbohydrates are composed of sugars and provide energy to the body. Nucleic acids, like DNA and RNA, are made up of nucleotides and store genetic information in cells.

4. What is the equivalent of 500 milliliters in liters?

Correct answer: B

Rationale: To convert milliliters to liters, you need to divide by 1000 since 1 liter is equal to 1000 milliliters. Therefore, 500 milliliters divided by 1000 equals 0.5 liters. Choice A (0.05 liters) is incorrect because it represents 50 milliliters, not 500 milliliters. Choice C (5 liters) and Choice D (50 liters) are both incorrect as they are higher values and do not accurately represent the conversion of 500 milliliters to liters.

5. A satellite orbits the Earth at a constant speed. Which force is responsible for its circular motion?

Correct answer: A

Rationale: The gravitational force from the Earth is responsible for keeping the satellite in its circular orbit. This force provides the necessary centripetal force required to maintain the circular motion of the satellite. The gravitational force acts as the centripetal force, pulling the satellite towards the center of the Earth, thereby keeping it in its circular path. Choices B, C, and D do not provide the necessary force to keep the satellite in its circular path. Thrust from the satellite's engine would change the speed or direction of the satellite, not maintain its circular path. Friction between the satellite and the atmosphere would act as a resistive force, slowing down the satellite rather than maintaining its orbit. The normal force from the Earth's surface is perpendicular to the surface and does not contribute to the circular motion of the satellite. Therefore, the correct answer is A, as the gravitational force acts as the centripetal force to keep the satellite in its circular path around the Earth.

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