LL of solution         Express your answer using three significant figures.   11.65 mgmg KIKI in 107.2 mLmL of solution         Express your answer using four significant figures.

Q: (3.20×10^2)(2.72×10^−3) (2.918×10^−3)(57.0)   Above is listed as a fraction   Express your answer…

A: Interpretation -  To express the answer in the correct number of significant figures in the given…

Q: Carry out the following operations and express the answerswith the appropriate number of significant…

A: Significant figures are the digits having a meaning in a given number. The number of decimal places…

Q: Round the answer for each problem to the correct number of significant figures.a. (7.31 × 1 0 4 ) +…

A: The significant number is the numbers of measurement or calculation which is necessary. It can be…

Q: Round this to three significant figures. 1.561832×10^7

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Q: C2H6. Express your answer using four significant figures. C3H4. Express your answer using four…

A: Concept:  The mass percent of a component in a compound is the percent of the total mass of mass of…

Q: Solve and write answer in scientific notation with significant digits 888*10^14*4.00*10^-6 –…

A: Solve and write answer in scientific notation with significant digits----

Q: 1. Round the following numbers to the number of significant figures indicated: a) 345 (2 s.f.) _350…

A: " Since you have posted multiple questions with multiple subparts we will solve first 3 subparts for…

Q: Write 0.00293 in scientific notation with two significant digits. 2.9 x 10-3 2.9 x 103 2.93 x 10-3…

A: In scientific notation, we write a number with only one digit before the decimal. 10 raised to power…

Q: Carry out each calculation and report the answer using the proper number of significant figures.…

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Q: 2×10−5)(5.09×104) (7.70×10−8)   Above is listed as a fraction

A: Applying concept of significant figures.

Q: To what decimal place should each answer be rounded? How many significant figures does the rounded…

A: Given : Unrounded answers  To find : Correct rounded answers with proper significant figures…

Q: Suppose you have two 100-mL graduated cylinders. In each cylinder there is 44.0 mL of water. You…

A: Given  volume of water in both cylinder = 44.0 mL side of cube = 1.9 cm    Conversion factor : 1…

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

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Q: (OH] = 3.1x10-10 M Express your answer using two significant figures. ? [H3O*] = M %3D

A: Given  [ OH- ]      =  3.1 × 10-10 M  [ H3O+ ]    = ?

Q: significant figures. 1. Carry out the following mathematical operations, and give each result with…

A: In this question we have to calculate the particular mathematical operation in the following…

Q: What is the numerical value of 1.2 x 1.222? Express your answer using the correct number of…

A: To solve this we have to consider the significant figure rule of multiplication i.e we have to give…

Q: Convert 3.712×1010 gg to each of the following units. kgkg Express your answer using four…

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Q: 3.1 g of a solid is dissolved in 102.5 mL of water with a density of 1.01 g/mL.  If the total volume…

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Q: Carry out each calculation and report the answer using the proper number of significant figures.…

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Q: Answer the expression below with the appropriate number of significant figures. 2.4 x 10-4 + 3.1 x…

A: Significant rule in addition- During addition of numbers using significant figures, the final answer…

Q: Express the result of each following calculation in scientific notation using the correct number of…

A: During calculations in Chemistry, there are different type of operations, which are performed by…

Q: The following data was reported for the density of a soft drink (pop). The true density of the pop…

A: In the question, the true value , the average value and the different set of data collected for the…

Q: 3 NO2 (g) + H20 (1) → 2 HNO3 (aq) + NO (g) Express your answer using one decimal place.

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Q: Which of the following measurements are NOT equivalent:

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Q: (2×10^−5)(5.09×10^4) (7.70×10^−8)   Above is listed as a fraction   Express your answer using the…

A: In division , the result will contain the least no. of significant figure among the given numerator…

Q: Present each answer in significant figures 3+ 9.6+392.76= 546/9.99=

A: Fir addition, answer should be in least decimal number.  For division, answer should be equal with…

Q: K = 1.8x10-28 Previous Answers v Correct Correct answer is shown. Your answer 1.78-10-2 = 1.78x1028…

A: We have to find the value of equilibrium constant.

Q: Calculate 5.1234 + 0.033 ÷ 1.650 and report to the correct number of significant figures.   a.…

A: 5.1234  has 5 significant digits. 0.033 has 2 significant digits.…

Q: Use prefix multipliers to express each measurement without exponents.a. 38.8 * 105 g…

A: Prefix multipliers can be described as “the parts of unit which are placed before the actual units”.…

Q: Calculate the following answer and round to proper significant figures, Don't forget units. 2.22g x…

A: Calculate the answer and rounding off---

Q: You measure the distance between to cities to be 42.0 miles. You need to send this data to Brazil…

A: Convert 42.0 miles to km ?

Q: (4.3)(0.267) (7.40)(30.0) Above is written as a fraction Express your answer using the correct…

A: There must be lowest no. of significant figures ( given in the data ) in the answer .

Q: 3.39×10^−5g to micrograms Express your answer to three significant figures and include the…

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Q: Data collection/Results: Record data in the table provided below. Record your data using the correct…

A: Density = Mass/ volume     Unit of Density    = g/ mL

Q: Carry out each calculation and report the answer using the proper number of significant figures.…

A: Significant figures are defined as  the number of digits in a value that contribute to the degree of…

Q: Water hardness is expressed as parts per million calcium carbonate. If there are 850 ppm of calcium…

A: 1 ppm = 1 mg/mL ; ( 1mg of solute is present in 1 mL of solution) If water is the solvent then: 1…

Q: graduated cylinder contains 20 mL of water. and irregularly shaped object is placed in the cylinder…

A: Given, graduated cylinder contains water = 20.0 mL Water level rises = 31.2 mL Total volume of water…

Q: 6.8×10−3 molC Express your answer using two significant figures.

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Q: A mixture that is 5.2x10-2 M in NaC,H3O2 and 5.4x10-2 M in Ba(C2 H302)2- Express your answer using…

A: Given, [NaC2H3O2]=5.2×10-2M[Ba(C2H3O2)2=5.4×10-2M

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

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

Q: An athlete with a body mass of 55 kg has 3.0 % body fat. How many pounds of body fat does that…

A: 1 lb = 454 g 1 kg = 1000 g

Q: In the product A · B · C, A has 5 significant figures, B has 2 significant figures, and C has 3…

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Q: Carry out each calculation and report the answer according to the correct number of significant…

A: Note: As per our guidelines, we are supposed to answer only the first three subparts. Please repost…

Q: Calculate and give the correct number of significant figures: (4.5 × 10-14) × (5.2 × 103) = (6.1 ×…

A: In measurement , Significant figure are the numbers of digit in value,  it measures accuracy in…

Q: #7 Round off each of the following measurements to three significant figures:  0.00894753 cm.…

A: There are six significant figures in 0.00894753. To convert three significant figures round off…

Q: A chemistry student needs 90.0 mL of pentane for an experiment. The student discovers the density of…

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Q: The result of the calculation (1.0161-0.8711) with correct number of significant figure is a.…

A: Given calculation problem;   1.0161 - 0.8711

Q: For the expression y = antilog (-11.541), the value of y recorded with the correct number of…

A: Significant numbers are very important in the calculations like addition, substraction,…

Q: Cl2(g) + 2 I¯(aq) → 2 Cl¯(aq) + I2(8) Express your answer using two significant figures. ? K =

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