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.

Q: 1.3 × 10 g Correct Answer: 1.30 x 10³ Part 2 of 2 What is the mass of a femur (leg bone) havin…

A: Significant figures are defined as numbers in value ,which explains the accuracy of digits.

Q: Select the answer to the following subtraction using the proper number of significant figures: 16.82…

A: When we add or substract  significant figures then our answer should have same number of significant…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Conversion -->  1 mm = 10-3 m  1 mm2 = 10-6 m2

Q: How many significant figures should there be in the answer to the following problem?…

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Q: After performing the following calculation, the answer should have significant figure(s). (0.545 +…

A: After performing the following calculation, the answer should have _____ significant figure(s).

Q: 1. How many significant figures are in each of the following figures: a. 0.0001 = d. 1.25 x 103 b.…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Da.4 O b.3 O d.2

A: From the significant figures rule , in division the number of significant figures in answer is same…

Q: report the result to the correct number of significant figures: log(7.4 x 10–5) = a. – 4.13 b. – 4…

A: Given, log(7.4 x 10–5) We are asked to calculate the above and to report the answer to the correct…

Q: What is the result of the addition of (2.233x10²) + (4.73x104), expressed with the correct…

A: Answer :  Significant Figures : The significant Figures are meaningless digits which are known with…

Q: Perform the calculation, then round the answer to the correct number of significant figures:…

A: For Significant number in multiplication. The significant figure after multiplication is equal to…

Q: density

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Q: Perform each of the following operations, and give each answer with the correct number of decimal…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: 5-Perform the following calculation and report the result to the correct number of significant…

A: There are two rules of significant figures that are involved in calculations : a) The rule in…

Q: Decide whether each proposed multiplication or division of measurem proposed multiplication or…

A: Introduction :- We can always multiply or divide measurements having same unit or different units.…

Q: The density answers are so close that I need help trying g to figure which substance goes with what

A: Substance 8  d= m/v      = 8.5/15.6     = 0.55 g/ cm3 substance 9  d= m/v      = 8.0/15.6     = 0.51…

Q: Which of the following is 5? 2P Unit Symbol Quantity Length meter Mass klogram Time second…

A: Luminous intensity

Q: 3. What is the answer to the following expression in the correct number of significant figures?…

A: The correct number of significant fugure is

Q: (5.985 mmmm )(7.3 mmmm ) Complete the operation and express the answer with the appropriate number…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: 1.  0.5/2.8=b/20

A: Q1) 0.5/2.8=b/20 b = (0.5 × 20)/2.8 b = 3.57

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A: The solution is given below -

Q: A flask 9.95 mL of a liquid 155.5 with the liquid in the flask 149.2 when em. Calculate the density…

A: Given: Mass of flask + liquid= 155.5 g  Mass of flask= 149.2 g Volume of liquid=9.95 mL Mass of…

Q: Setting up a unit conversion A student sets up the following equation to convert a measurement. (The…

A: Here we are required to convert the following unit from one form to another.

Q: An aspirin tablet has a mass of 9820.0 mg. Report the mass of the tablet in: grams: • kilograms: kg…

A: The given tablet has mass of 9820.0 mg and has 5 significant number. So each result must have 5…

Q: b. (6.0241 X 1.24) / (.0147 X 10.0) = c. The density of an object that has a mass of 16.0 grams and…

A: Density is the ratio of mass of the object to its volume.

Q: 3. How is the number of digits determined for an answer obtained by adding or subtracting? Is a body…

A: Non -zero digits or the zero digit within two significant digit are significant.  Zeros after…

Q: Solve the following problems.a. (2 × 1 0 3) × (3 × 1 0 2)b. (9 × 1 0 8) ÷ (3 × 1 0 -4)

A: a.  (2 × 1 03) × (3 × 1 02)= 6 × 105            ( am × an = am+n)

Q: Which of the following expressions is incorrect? a. A = log(96T) O b.A = -log(1/l,) O C. A = Elc +…

A: Absorbance of a solution is equal to the product of molar absorptivity coefficient (∈) concentration…

Q: How many significant figures do the following quantities have? a. 6.420 x 106 mm b. 0.00043210 kg…

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Q: When the calculation (0.005215)(0.08212)(273.2)/ (4.1) is performed, the answer should be reported…

A: Rules of multiplication and division of Significant figures : In multiplication and division…

Q: To how many significant figures should each answer be rounded? (a) (6.626 x 10-34 J-s) (2.9979 x 10…

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Q: Q6. How many protons, neutrons, and electrons respectively are A. 197, 79, 118 C. 79, 118, 118 197…

A: Atomic number = 79 Mass number = 197 Therefore , number of protons = 79

Q: , 8. When you perform the following operations, how many significant figures should your answer…

A: Significant figures can be defined as the total number of the digits (that include s the last digit)…

Q: The density of rubbing alcohol is 0.785 g/mL at 25 oC. a. Calculate the mass of 15.0 mL of the…

A: Density :-  The ratio of mass of the substance to its volume is defined as density  Density(d) =…

Q: Given the equation 2N2(g) + O₂(g) ⇒ 2N₂O(g) Kc = 1.2x10-¹², what is Kc for the equation 2N₂O(g) =…

A:

Q: Which of the following is greater? a. 8.5 grams per milliliter or 8500 Kg/ m3 b. 5 x 10-2 kg/m3 or 5…

A: (a) --> Both are equal  8.5 g/ml or 8500 kg/m3 We know that, 1 m3 = 106 ml and 1 kg = 1000 g So…

Q: 2. Find the answer and record the answer to correct significant figures If only the answer is given…

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Q: Assuming all of the numbers are measured quantities, perform the following arithmetic setup and…

A: •In addition or substraction  least decimal are to be consider  •In multiplication or division…

Q: Gentamicin sulfate is a water-soluble antibiotic that is used to treat a variety of bacteria,…

A: 8.)  We would use conversion factor to convert mass from grams to kg .  Then using the drug order,…

Q: A rectangular block has dimensions 2.8 cm X 3.5 cm X 10.0 cm. The mass of the block is 615.0 g.…

A: Given, the dimensions of block as 2.8 cm×3.5 cm×10.0 cmand the mass of block =615.0 gwe are asked to…

Q: 4. If a car's fuel economy in Mexico is rated 13.2 km/L, what is the rating in miles per gal…

A: The car's fuel economy in Mexico is = 13.2 km/L The rating in mile/gal is =? These units can be…

Q: Isn't 10.3 Liters only? Because when following the fewest sigfig in the equation, it should be in 3…

A: Yes you're Right ! No. of significant figures in 2.73 are 3 So answer should be reported in 3…

Q: Bolts of Ohmi Akinbak fabric, which are woven in Sacralstan, are sold in Sacralstanian units of 43.8…

A: To Calculate the square disc , we would use dimensional analysis method. For this we use the given…

Q: Decide whether each proposed multiplication or division of proposed multiplication or division 3.0 m…

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Q: Perform this mathematical operation: (2.568x5.8)/4.186 1. Which has the fewest number of…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…