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Evaluate each of the following: (1.4)
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Basic Chemistry
- (1.8)The area of a paper is 758 cm². What is the area of the paper in m²? O 7.58 x 104 m² O 7.58 x 102 m² O 0.0379 m² O 7.58 m²arrow_forwardPerform the calculation and record the answer with the correct number of significant figures. (6.5 – 6.08) %3D 3.95 TOOLSarrow_forward(1.7) A student performs an experiment to determine the density of a sugar solution. She obtains the following results: 1.71 g/mL, 1.72 g/mL, 1.71 g/mL, 1.70 g/mL. If the actual value for the density of the sugar solution is 1.50 g/mL, which statement below best describes her results? O Her results are accurate, but not precise. O Her results are precise, but not accurate. O Her results are both precise and accurate O Her results are neither precise nor accurate.arrow_forward
- Perform the calculation and record the answer with the correct number of significant figures. (6.5-6.09) 2.15 = X10 TOOLSarrow_forwardWhat answer should be reported with the correct number of significant figures, for the following calculation? (12.87 + 3.7)/5.247arrow_forwardThe answers 0.10 and 0.099 are both incorrect so please don't give me the same answer. Calculate what the answer is with the correct significant figures at the end? How is that and incomplete question? Perform the calculation and record the answer with the correct number of significant figures. (6.5 - 6.03) 4.73 0.099 Incorrectarrow_forward
- This is a practice exercise. i will write down the answer that it says on the book for each problems. i need help on how they got that answer. how many significant figures should the answer in each of these calculations contain? just the significant figures only (A) (14.0) (5.2) Answer: 2. (E) 119.1-3.44. answer: 4 (B) (0.1682) (8.2). Answer: 2 (h) 1.6 + 23 - 0.005. Answer: 2 (C) (160)(33)/4. Answer: 1 (D) 8.2+0.125 Answer: 2arrow_forward(4.3)(0.267) (7.40)(30.0) Above is written as a fraction Express your answer using the correct number of significant figures.arrow_forwardThe correct answer (reported to the proper number of significant figures) to the following is (12.67 + 19.2)(3.99) / (1.36 + 11.366) = O 10.0 O 9.9985 O 19.9985 O 1.00 x 10² O none of the abovearrow_forward
- (1.6) Which of the following is an example of intensive properties? mass melting point O None of these volumearrow_forwardPerform the calculation and record the answer with the correct number of significant figures. (6.5-6.08) %3D 3.95arrow_forwardCarry out the following mathematical operations, expressing your answer to the correct number of significant figures/decimal places. (78.4 44.889) 0.87arrow_forward
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