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Write each of the following as a standard number: (1.5)
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EBK BASIC CHEMISTRY
- (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_forwardPerform the calculation and record the answer with the correct number of significant figures. (6.5 – 6.08) %3D 3.95 TOOLSarrow_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
- The correct answer (reported to the proper number of significant figures) to the following is ________. (12.67 + 19.2)(3.99) / (1.36 + 11.366) = ________arrow_forwardWhat is the volume (in cm3) of a balloon inflated to a circumference of 10.0 inches? Volume of a sphere=1.33(3.14)(circumference/6.28)3arrow_forwardEvaluate the following and express your answer in standard scientific notation. (2.1z10*) (9.3z10*) (8.6z10*) O 1.9x105 O 2.6x10-3 O 1.9x10-1 O 2.6x10-4arrow_forward
- How many significant digits should be reported in the answer to the following calculation?(4.213) + (10.02) = a. 3 b. 4 c. 2 d. 1 e. none of the above.arrow_forwardHow many significant figures does the following calculations yield? (12.2-0.2)/1.02arrow_forwardPerform the calculation and record the answer with the correct number of significant figures. (6.5-6.08) %3D 3.95arrow_forward
- (1.6) Which of the following is an example of intensive properties? mass melting point O None of these volumearrow_forwardHow many significant figures should there be in the answer to the following problem? (58.1 - 50.1)(3.72 X 105) 1.392arrow_forward(Q4) A diamond has a mass of 6.655 (troy) ounces. What is its mass in grams? (4 sf)arrow_forward
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