Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. 123.2 m+ 0.86 s = mol 93.4 - L -X 43. L = mol mol 2.09 x 1.525 L = L Explanation Check mol X 5 MacBook Pro © 2022 McGraw Hill LLC. All Rights Reserved. Terms of U

Q: [Report answer to correct number of significant figures] Convert 440 cm² to mm². 4.40 mm² 44 mm²…

A: Here, we have to convert 440 cm2 to mm2.

Q: 29. When a measuring scale is used properly to the limit of preci- sion, the last significant digit…

A: The value which is close the measurement to each other is known as precision.

Q: How to convert 26.7 mm to um and 27.6 mm to yards.

A: 1) 26.7 mm to um i.e micrometer  Since 1 m = 100 cm  1 cm = 10 mm  And 1 m = 106 um Since to convert…

Q: 56. Round the number on the left to the number of significant figures indicated by the example in…

A: Significant figures of a number are those which are absolutely necessary to explain the numbers…

Q: Using the arithmetic problem below, determine the correct number of significant figures.…

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

Q: Round 329.2258 to 2 significant digits

A: Significant figures are meaningful digits which are known with certainty. There are certain rules…

Q: Ammonia (NH,) chemically reacts with oxygen gas (o,) to produce nitric oxide (NO) and water (H,0).…

A: Given data is as follows: The mass of ammonia given = 1.2 g The mass of oxygen gas consumed = ?

Q: If there are 1.0567 quarts in one liter and four quarts in one gallon, how many mL are in 0.183…

A: Answer is giaven in step 2

Q: Compute 6.28 x 10 + 8.30x10" Express your answer to three digits.

A: In the given question, the following calculation has to be calculated: 6.28 x 1013 + 8.30 x 1011 The…

Q: 5. When do zeros count as significant digits, and when don’tthey count?

A: The significance of zeros in a mathematical value has to be given.

Q: Calculate the following and express your answer in scientific notation with the correct units and…

A: The significant figures of a number written in positional notation are digits that carry meaningful…

Q: What are the reference points in thermometer with Celsius scale?

A:

Q: Can you explain to me about the significant figures addition and subtraction rule? Example of the…

A:

Q: What is The Real Rule for Significant Figures? The Real Rule for Significant Figures: A. All the…

A: Soln Here both options A and B are true in case of rules for defining significant figures. So option…

Q: does the answer have correct significant digits placements?

A: We have to calculate the pH. From the previous answer, the given data is The pKa = 1.96. The…

Q: How do you figure out the scientific notation of it? I

A:

Q: I can only have 2 significant digits make sure you are reading the full question.

A: The calculation is correct. The answer is to be rounded to 2 significant digits

Q: A cat has volume 0.08 m³ and density 670 kg/m³. Find the mass of the cat ?

A:

Q: Rounded 17,997 to tow decimal places

A: Scientific notation: Scientific notation is a way of expressing numbers in decimal form with…

Q: When doing percent error do the estimated value and true value need the same amount of sig figs or…

A: The true value and the experimental values are calculated under different experimental conditions…

Q: Express the number 0.002316 using scientific notation. Digits to the right of the underlined digit…

A: The given number is 0.002316 and we have to write scientific notation of this number.

Q: -37.1 Celsius to Fahrenheit round to 3 significant digits

A: Celsius serves as the standard measurement for temperature in both practical and scientific…

Q: I need it the answer in decimal form and with only 3 significant figures.

A:

Q: Calculate the answer with the proper number of significant digits: a) 387.8 + 24.76 b) 35/156 c) 65…

A: Calculate the number with correct significant digit-

Q: Solve for: 146.381 mL -31.4 mL= report answer to the correct number of decimal places and include…

A: Significant figure represents all the digits of a number that are significant with respect to…

Q: Solve and write answer in scientific notation with significant digits: 1. 70,000.0 *…

A: Scientific notation is a way  by which a very large or small number is represented,  it should be…

Q: Why are percent error values never negative?

A: The percent error is given by: percent error=|(experimental value-theoretical value)/theoretical…

Q: is its answer in its correct significant digits placement?

A: The  pH of a 0.325M solution of NH4CI --> pH = 4.87  This is the correct significant figure…

Q: Why are significant digits important when taking data in the laboratory?

A: Significant figures are used to express the degree of accuracy of an answer.

Q: If a temperature in degrees Fahrenheit is 517 then it is _____ degrees in the Celsius scale. answer…

A:

Q: QUESTION 10 How many digits should be recorded when taking mass measurements with a digital balance?…

A: The digital balance measures the mass of a substance. The number of digits shown in the digital…

Q: b Write out the following numbers in ordinary form. i 2.01 x 103 i ii 5.2 x 10-2 iii 8.41 x 10² iv…

A: In ordinary form 10x and 10-x is not represented instead of it if it is 10x the decimal is increase…

Q: I need help with doing scientific notation and converting

A: scientific notation is a method of expressing very small or very large numbers to standard form.it…

Q: D Question 4 Consider an object that is in the shape of a cube with a mass of 45.8 grams. If the…

A: Answer:Density of an object is the ratio of its mass and volume as shown below:Here:

Q: Do you still think it is necessary to manually learn how to convert between english and metric units

A: The Metric System – This system is used in most of the world and it employs units like meters,…

Q: Round off 0.0003419 to three significant digit

A: Method for rounding off is given below: 1. Write the number in scientific notation.  2. All non-zero…

Q: [Review Topics] [References] CHEMWORK Change the following measurement to the appropriate SI unit.…

A:

Q: Two reasons to write a number in scientific notation are when it is either very big or very small.…

A: scientific notation was developed to easily represent numbers.

Q: show conversion for 8 meters is how many feet?

A: Given  Distance = 8 meter  Number of fit = ?

Q: Convert from grams to pounds 6496g = _______Ib. Use Dimensional analysis

A: Mass in grams can be converted into mass in lbs using the dimensional analysis as follows:

Q: Round 426.1016 to four significant digits

A: Rules for rounding significant digits :- 1) If the rightmost digit to be removed is less than five ,…

Q: Short answer/problems. Show your work, use correct significant figures/units and use complete…

A: A multiple choice question based on the concept of complementary colors.

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.