Calculate the following to the correct number of significant figures: 4.198 kg x (219 m² - 141 m²) (54.2 s x 31.3 s)

Q: How many significant figures are in each of these measurements? 93 g, 420210 kg,

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Q: Do the following calculation and report your answer with the correct number of significant figures.…

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Q: Ethanol has a density of 0.789 g/cm3. What volume of ethanol in mL must be poured into a graduated…

A: Rules for significant figure  All non zero integer are significant  Exact number have unlimited…

Q: When the calculation (1.0453x10-1.4) x 1.604 is carried out, the number of significant figures in…

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Q: Which of the following series of mathematical operations would convert 0.45 miles into centimeters?…

A: To solve this problem we have to do the given unit conversion.

Q: A homogeneous mixture was prepared by mixing 0.90 g A, 105.7 g B and 48.17 g C. The volume is found…

A: Given, Volume of mixture = 56.6 cm3 Mass of A = 0.90 g Mass of B = 105 .7 g Mass of C = 48.17 g

Q: Your calculator gives you the number 1761.2868 as the volume (in cm^ 3) of a box 2.0 ft by 6.5 cm by…

A: When rounding off the result of a multiplication, the number of significant figures in the final…

Q: 42 Express the result of this calculation with the correct number of significant figures. 6.630 -…

A: Given , 6.630 - 9.61 ÷ 1.4783 As per order of operations rule , division should be performed before…

Q: Ammonia (NH3) chemically reacts with oxygen gas (0₂) to produce nitric oxide (NO) and water (H₂O).…

A: The mass of oxygen gas is 8.30 g.The balanced chemical equation for the given reaction is:.The molar…

Q: (1.00866 – 1.00716) d. 6.02205 x 1023 9.875 x 102 – 9.803 x 10? x 100 = |(100 is exact) 9.875 x 102…

A: According to the rule for significant digits in addition and subtraction, the number of significant…

Q: An atom of a particular element has a volume of 7.8 x 10-31 m3. What is this volume in cubic…

A: An atom is always neutral because of the equal number of electrons and protons. Electrons are…

Q: What is the correct answer for the calculation of a volume (in mL) with measured numbers 28.58 16.0…

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Q: A sample of liquid rocket fuel is stored in a sphere-shaped fuel tank that has an inner diameter of…

A: Solution Light metals have high heat unharness, creating them enticing as fuels or fuel elements. As…

Q: V=(4/3)(pi)(r)^3, where r=19.136. What is the answer in correct significant figures?

A: The digits having a meaning in a given number are called as significant figures.

Q: How many significant figures are there in the answer to the following problem? (9.992 × 3.200) +…

A: Rules for determining the number of significant figures in an answer :   The result of an addition…

Q: A solution is prepared by dissolving 3.57 grams of magnesium bromide, 8.1 grams of ammonium…

A: Total mass of solution is the addition of the masses of solute and solvent (in grams).…

Q: How many significant figures should your answer have? 8.101 x 0.10 = %3D O 1 O 2 0 3 O 4 O 5 0 6 07…

A: In measurement number digit in value is known as significant figure, all non zero digit are counted…

Q: Can you help me understand what a significant figure is and help me with this problem?  46.97  How…

A: The digits which carry meaning supporting to its measurement resolution is called as significant…

Q: Express the following sum with the correct number of significant figures: 1.9m + 142.5cm + 6.27 * 10…

A: Given -> 1.9m + 142.5cm + 6.27×105micrometer

Q: How many significant figures are in the calculation: [ (4.3158 cm x 8.14 cm) - 35.02 cm² ]? 04 5 A O…

A: Given,  [(4.3158 cm × 8.14 cm)- 35.02 cm2           The number of significant figures are in the…

Q: Give the answers with the correct number of significant figures: a) 41.84 x 100.62 x (15.227 -…

A: A question based on general chemistry that is to be accomplished.

Q: A cube of an unknown metal measures 0.375 cm on one side.  The mass of the cube is 0.474 g.  Which…

A: Given : length of metal cube = 0.375 cm  And mass of cube = 0.474 g

Q: Which of the following has exactly four significant figures? 0.0592 0.08206 8.314 5420 5.4 x…

A: Significant figures of a number are the digits which gives a meaningful contribution to the…

Q: A beaker weighed 46.53 g. To the beaker was added 5.132 g of iron pellets and 54.3 g of hydrochloric…

A: The law of conservation of mass states that, the total amount of material in the reactant side has…

Q: Express the quantity 601.8×10−12s601.8×10−12s in ms. Using 4 significant figures

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Q: The density of iron is 7.87 g/mL. What is the mass of a 4.00 cm × 4.00 cm × cm × 1.00 cm block of…

A: given density = 7.87 g/ml cross section = 4.00 cm × 4.00 cm × 1.00 cm

Q: Why is the answer,to the correct number of significant figures,not 1.0 for the following calculation…

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Q: Do the following calculation. How many significant figures are justified for the answer? = 6.02…

A: When adding different numbers, the answer should have the same number of decimal places as the…

Q: perform the following calculation, reporting your answer to the correct number of significant…

A: Significant figures of a number are  necessary to indicate the quantity of something. It is also…

Q: What is the correct answer (reported to the proper number of significant figures) to the operation…

A: a meaningful contribution in mathematical science which can be expressed In scientific notation,

Q: Calculate the product below, and express the result with the correct number of significant figures.…

A: Significant figures are the number of digits in a value that provide accuracy to that value. In the…

Q: Calculate the following to the correct number of significant figures: Antilog(7.28) = 1.90 x 107 1.…

A: Given -->  Antilog(7.28)  When we solve for the value present in the antilog we will find that…

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

A: A student set up given equation to convert a measurement. In the given question it has been asked…

Q: Enter your answer in the provided box. Carry out the following operation as if it were a calculation…

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

A: when adding or subtracting measurements with significant figures,the result has the same number of…

Q: Which of the following numbers is correctly rounded to three significant figures, as shown in…

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Q: What answer should be reported, with the correct number of significant figures, for the following…

A: To determine the correct number of significant figures in the answer for the calculation (965.43 x…

Q: A chemistry student needs 90.0 mL of carbon tetrachloride for an experiment. By consulting the CRC…

A: Given, Note: 1 mL = 1 cm3 Volume of Carbon tetrachloride = 90.0 mL = 90.0 cm3 Density of Carbon…

Q: How many significant figures are in the calculation: [ (4.3158 cm x 8.1 cm) - 27.17 cm2 ]? O 2 О1 O…

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Q: How many significant figures are in each of these measurements? 71. 93 g, 0.420210 kg

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

Q: What is the minimum mass of galena (PbS), a lead ore, from which 90.0 g of pure lead could be…

A: mass of lead = 90.0 gatomic mass of lead = 207.2 g/molmolar mass of PbS = 239.26 g/mol

Q: Perform the following calculations: a) 14.86 ml + 15.0 ml + 14.980 ml = b) (42.927 g/ml)(9.00 ml)…

A: According to the rule for significant digits in addition and subtraction, the number of significant…

Q: A student is given the following question: "What is the mass of a gold bar that is 7.379 × 10–4 m3…

A: We know,Mass = Density x Volume

Q: Record the number of signifcant figures in each one of the following numbers. e. 2.670 x 10^3

A: Given,

Q: What is the proper answer and number of significant figures for the following calculation: 2.80 ×…

A: Rules for determining the number of significant figures in an answer :The result of multiplication…

Q: An iceberg has a volume of 8365 ft^3 What is the mass in kilograms of the iceberg? The density of…

A: Density is a physical quantity that can be determined with the help of the mass and volume of the…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.