E MEASUREMENT Counting significant digits when measurements are multiplied o... Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. g 2.09476 -x 5.125 mL = mL 7.81 g mL -x 5.125 mL = 8 402.24 g + 0.39 mL = mL X 3

Q: 3410 m + 89.54 m + 11,000 m = ____________m

A: In the given problem, add on the three values and round off the answer to the correct significant…

Q: Leave me alone how many joules are in 6,458 calories express your answer in scientific notation with…

A: Given -> 6458 calories

Q: Write each of the following numbers as “ordinary” decimal numbers.   6.244 x 103   9.117 x 10-2…

A: The given scientific notation is 6.244 x 103, to write the ordinary decimal notation, the decimal…

Q: What is the answer with the correct number of decimal places for this problem? 4.392g +102.40g+2.51g…

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Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: The rule in multiplication and division is that the answer should have the same number of…

Q: Calculate the pH and percent ionization of a 0.890 M HNO₂ solution. Note: Reference the K, of acids…

A: Given,Molarity of HNO2 = 0.890 MFrom the reference,      Ka = 4.5 x 10-4

Q: Add the numbers and round the answer to the correct number of significant figures. 109.609 + 47.98

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

Q: Can you tell me how to arrange numbers of scientific notation in order from largest to smallest?

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Complete the following mathematical operation and answer with the correct number of significant…

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Q: What decimal power does the abbreviation pico represent? O 1 x 106 O 1 × 10⁹ O 1x 10-1 O 1 x 10-12 O…

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Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Rule of significant digit-1) In non decimal number, 0 comes after non-zero not count in significant…

Q: Determine the number of significant digits that would be in the answer of the following…

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Q: A chemistry student needs 80.0 mL of diethylamine for an experiment. By consulting the CRC Handbook…

A: Note: 1 mL = 1 cm3Density of diethylamine = 0.706 g.cm-3Volume of diethylamine = 80.0 mL = 80.0…

Q: Write the numbers in scientific notation. 1071 1071 = 0.00091 0.00091 = x 10⁰ x 10 am b=

A: By using a scientific notation we can write a very large or very small number easily.

Q: hange the following measurement to the appropriate SI unit. The final unit required is shown to the…

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Q: Write each of the following numbers to 3 significant figures in exponential or scientific notation.…

A: Significant figure on a number in positional notation are the digits in that number which are…

Q: The number 9.469709 rounded to 2 significant figures is The number 674.9424 rounded to 4…

A: Rounded the number as directed in the question ----

Q: O MEASUREMENT Multiplication and division of measurements

A: General Rules: For addition and subtraction, the same quantities or the quantities which can be…

Q: References Use the References to access important values if needed for this question. Write each of…

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Q: CH3 НО ОН CH3 H Cortisol a) NaCN b) H3PO4 85% c) NABH4 .. I sבוווי

A: The question is based on the concept of organic reactions. we have to identify which of the…

Q: A chemist needs to know the mass of a sample of MgCl, to 2 significant digits. He puts the sample on…

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Q: Add the numbers and round the answer to the correct number of significant figures. 76.927 +67.10 =

A: Given:76.927+ 67.10Significant figures, also known as significant digits, are the digits in a…

Q: Convert 12 cm³ to liters. The answer must have the correct number of significant digits 1.2 × 10² L…

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Q: Are numbers below exact or measured numbers?    Number Exact or Measured Number Exact or Measured…

A: The exact number is the number which contain two or three digits after the point . If it is 0 then…

Q: Report your measurements to the correct number of significant figures.

A: To determine the number of significant figures in a number use the following 3 rules: 1) Non-zero…

Q: Convert 4.3x10^-2 kilogram to nanogram. Use scientific notation

A: Given that : We have to convert 4.3x10-2 kilograms to nanograms.

Q: When you measure the dollar bill with the ruler below, how many digits do you write after the…

A: The significant figures in a measurement consist of all the certain digits in that measurement plus…

Q: 1.04 km to cm

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: Select the proper scientific notation for the number 90210. Digits to the right of the underlined…

A: Answer: In the question it is mentioned that digits to the right of underlined digit are not…

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: How many joules are in 6,458 calories express your answer inside scientific notation with the…

A: Required : 6,458 calories = ? Joules

Q: © Macmillan Learning Divide the numbers and round the answer to the correct number of sign 124.8…

A: Division of significant figures :-The answer of division must be rounded to the same number of…

Q: Convert 375 ml to litres

A: Volume = 375 ml  Volume (in litres ) = ?

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.