ATI TEAS 7
TEAS Math Practice Test
1. If ๐ = 8, then n is between which of the following ranges?
- A. 5 and 7
- B. 7 and 9
- C. 9 and 11
- D. 3 and 5
Correct answer: B
Rationale: To find the range where n lies when n = 8, we consider numbers greater and lesser than 8. The range would be between 7 and 9, not 9 and 11 as stated in the original rationale. Option A (5 and 7) and Option D (3 and 5) are lower ranges, while Option C (9 and 11) exceeds the upper limit.
2. What is the range in the number of flights made per month by the flight attendant?
- A. 20
- B. 25
- C. 29
- D. 32
Correct answer: C
Rationale: The range is calculated by finding the difference between the highest and lowest values. In this case, the highest number of flights made per month is 32, and the lowest is 3. Therefore, the range is 32 - 3 = 29. Choice C, '29', is the correct answer. Choice A, '20', Choice B, '25', and Choice D, '32', are incorrect as they are individual data points and do not represent the range, which is a measure of spread between the highest and lowest values.
3. Robert is planning to drive 1,800 miles on a cross-country trip. If his car gets 30 miles per gallon and his tank holds 12 gallons of gas, how many tanks of gas will he need to complete the trip?
- A. 3 tanks
- B. 5 tanks
- C. 30 tanks
- D. 60 tanks
Correct answer: B
Rationale: To find out how many tanks of gas Robert needs for the 1,800-mile trip, first, we calculate the distance his car can travel on a full tank: 30 miles per gallon ร 12 gallons = 360 miles per tank. Next, divide the total trip distance by the distance per tank: 1,800 miles รท 360 miles per tank = 5 tanks. Therefore, Robert will need 5 tanks of gas to complete the cross-country trip. Choices A, C, and D are incorrect as they do not accurately calculate the number of tanks needed based on the given information.
4. What is the equivalent weight in pounds for 45 kg? (1 kg = 2.2 lbs)
- A. 120 lbs
- B. 89 lbs
- C. 99 lbs
- D. 90 lbs
Correct answer: C
Rationale: To convert kilograms to pounds, multiply the weight in kilograms by the conversion factor 2.2 (1 kg = 2.2 lbs). Therefore, 45 kg * 2.2 lbs/kg = 99 lbs. Choice A is incorrect because it is a miscalculation. Choice B is incorrect as it does not reflect the correct conversion. Choice D is incorrect as it is also a miscalculation of the conversion.
5. What is the result of (4.71 ร 10^3) - (2.98 ร 10^2)? Which of the following is the correct simplified expression?
- A. 1.73 ร 10
- B. 4.412 ร 10^2
- C. 1.73 ร 10^3
- D. 4.412 ร 10^3
Correct answer: D
Rationale: The correct answer is D: 4.412 ร 10^3. To simplify the expression, rewrite 4.71 ร 10^3 as 47.1 ร 10^2. Subtract the values in front of 10^2: 47.1 - 2.98 = 44.12. Rewriting this gives 44.12 ร 10^2 = 4.412 ร 10^3. Choice A is incorrect as it does not account for the correct subtraction result. Choice B is incorrect as it does not correctly simplify the expression. Choice C is incorrect as it provides an incorrect power of 10 in the simplified expression.
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