Concept explainers
(a)
Interpretation:
The answer of the given calculation is to be expressed by using scientific notation.
Concept introduction:
Scientific notation is used to write large numbers or small numbers as the product of a non-exponential term and exponential term in the form of
Answer to Problem 1.60E
The answer of the given calculation expressed by using scientific notation is
Explanation of Solution
The given question is,
Firstly, the numerator and denominator terms are solved separately and then the division is carried out as shown below.
The answer of the given fraction is
The above answer is adjusted to a standard position. The decimal is shifted one place to the right and the power of
The answer of the given calculation expressed by using scientific notation is
(b)
Interpretation:
The answer of the given calculation is to be expressed by using scientific notation.
Concept introduction:
Scientific notation is used to write large numbers or small numbers as the product of a non-exponential term and exponential term in the form of
Answer to Problem 1.60E
The answer of the given calculation expressed by using scientific notation is
Explanation of Solution
The given question is,
The fraction can be expressed as follows:
Firstly, the numerator term is solved separately and then the division is carried out as shown below.
Hence, the answer of a given fraction is
The answer of the given calculation expressed by using scientific notation is
(c)
Interpretation:
The answer of the given calculation is to be expressed by using scientific notation.
Concept introduction:
Scientific notation is used to write large numbers or small numbers as the product of a non-exponential term and exponential term in the form of
Answer to Problem 1.60E
The answer of the given calculation expressed by using scientific notation is
Explanation of Solution
The given question is,
The fraction can be expressed as follows:
Firstly, the denominator term is solved separately and then the division is carried out as shown below.
The above answer is adjusted to a standard position. The decimal is shifted one place to the right and the power of
The answer of the given calculation expressed by using scientific notation is
(d)
Interpretation:
The answer of the given calculation is to be expressed by using scientific notation.
Concept introduction:
Scientific notation is used to write large numbers or small numbers as the product of a non-exponential term and exponential term in the form of
Answer to Problem 1.60E
The answer of the given calculation expressed by using scientific notation is
Explanation of Solution
The given question is,
Firstly, the denominator term is solved separately and then the division is carried out as shown below.
Thus, the answer of a given fraction is
The answer of the given calculation expressed by using scientific notation is
(e)
Interpretation:
The answer of the given calculation is to be expressed by using scientific notation.
Concept introduction:
Scientific notation is used to write large numbers or small numbers as the product of a non-exponential term and exponential term in the form of
Answer to Problem 1.60E
The answer of the given calculation expressed by using scientific notation is
Explanation of Solution
The given question is,
The fraction can be expressed as follows:
Firstly, the numerator and denominator terms are solved separately and then the division is carried out as shown below.
The above answer is adjusted to a standard position. The decimal is shifted one place to the right and the power of
The answer of the given calculation expressed by using scientific notation is
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Chapter 1 Solutions
Chemistry for Today: General, Organic, and Biochemistry
- Perform the calculation and record the answer with the correct number of significant figures. (6.5-5.95) / 2.44 =arrow_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_forwardRounding Off Initial Number Student’s Rounded Value 1. Correct? (yes/no) 2. Corrected (if needed) 143.63212 144 532 800 533 0.008 583 45 0.009 8 8.00 Significant Figures in Calculations Multiplication and Division Perform the following multiplication and division calculations. Give a final answer with the correct number of significant figures: 0.1184 ´ 8.00 ´ 0.0345 (42.4)(15.6) 1.265 (35.56)(1.45) (4.8)(0.56) Addition and Subtraction Perform the following addition and subtraction calculations. Give a final answer with the correct number of decimal places. 13.45 mL + 0.4552 mL 145.5 m + 86.58 m + 1045 m 245.625 g – 80.2 g 4.62 cm – 0.885 cm…arrow_forward
- Question 10 Carry out the following calculation and give the final answer with the correct number of significant figures: Question 11 45.678 34.89 +2.333 Carry out the following calculation and give the final answer with the correct number of significant figures: Question 12 9.324(5.43/0.54) LO Carry out the following calculation and give the final answer with the correct number of significant figures: (2.345)[(6.43 +3.76)/(11.78 1.05)] - 2.3arrow_forwardHow many significant figures would this calculation have if it were completed: (9.04 - 8.23 +21.954 + 81.0) x 3.1416 A) 3 B) 4 C) 5 D) 6arrow_forwardWhat answer should be reported with the correct number of significant figures, for the following calculation? (12.87 + 3.7)/5.247arrow_forward
- 1. 9.3+12.20 + 6.571 = 2. (5.3 + 6.678) / 25.0 =arrow_forwardHow 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_forward9.1. The egg whites from four "large" eggs occupy a volume of 112mL. The mass of the egg whites from these four eggs is 1.20 X 102 g. What is the average density of an egg white from one "large" egg? 9.2. A solid with an irregular shape and a mass of 11.33 g is added to a graduated cylinder filled with water (d=1.00g/mL) to the 35.0-mL mark. After the solid sinks to the bottom, the water level is read to be at the 42.3-mL mark. What is the density of the solid? 9.3. Magnesium chloride is an important coagulant used in the preparation of tofu from soy milk. Its solubility in water at 20oC is 54.6 g/100 g. At 80oC, its solubility is 66.1 g/ 100 g. A mixture is made up of 16.2 g of magnesium chloride and 38.2 g of water at 20oC. a. Is the mixture homogeneous? If it is, how many more grams of magnesium chloride are required to make a saturated solution? If the mixture is not homogeneous, how many grams of magnesium chloride are undissolved? b. How many more grams of magnesium chloride…arrow_forward
- Evaluate 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_forwardHow many significant figures should there be in the answer to the following problem? (58.1 - 50.1)(3.72 X 105) 1.392arrow_forwardPerform the calculation and record the answer with the correct number of significant figures. (6.5-6.09) 2.15 = X10 TOOLSarrow_forward
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