11 3 30 20 10 10 4. 2.

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: Use scientific notation to express each quantity with only base units (no prefix multipliers).a. 4.5…

A: Units of measurement- SI prefixes are used to prepare decimal multiples. SI prefixes are tabulates…

Q: Which of the following measurements has the correct significant figures for a graduated cylinder…

A: Which of the following measurements has the correct significant figures for a graduated cylinder…

Q: Perform the following mathematical operations and report your answer in proper scientific notation…

A:

Q: 5. The following are three different scales. Determine the correct reading indicated by the arrow.…

A: Accuracy is the term used for the measurements taken near to the original value. Precision is the…

Q: 3. Perform the following calculation and report the answer to the proper numbers of significant…

A: a) 14.5 + 0.023 = = 14.523         b) 13.265 -2.065 = = 11.2

Q: when measuring a small volume such as the volume of a test tube should you use a 10ml, 25ml, or a…

A: For measuring volume of test tube. test tube has small volume that is 10 ml. we have to use the 10…

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

A: Calculations Involving Significant Figures The results of various measurements are to be added,…

Q: Using dimensional analysis, convert 427 inches to meters (12 inch = 1 ft, 1 m = 3.28 ft). Round 3…

A: Given  12 inch = 1 ft 1 m = 3.28 ft

Q: Perform the following calculations and round the answers to the correct number of significant…

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

Q: Use the prefix multipliers to express each measurement without exponents. a. 1.2 x 10-9 m b. 22 x…

A: Certain prefix multipliers are used while denoting the quantities which indicate that the power of…

Q: How many significant figures are in the result of the following calculation:    9.871 cm + 0.19 cm…

A: The given calculation is as follows: 9.871 cm + 0.19 cm - 1.050 cm The number of significant figures…

Q: Carry out the following multiplications and divisions, expressing your answer in scientific notation…

A: a)  (3.20 × 107) × (1.720 × 105)       ( 3.20 × 1.720) ×10(7+5)            5.504 × 1012

Q: Add or subtract the following measurements. Be sure each answer you enter contains the comect number…

A: Significant digits are digits that are important or meaning in the measurement as they lead to…

Q: Use the prefix multipliers to express each measurement withoutany exponents.a. 1.2 * 10-9m b. 22 *…

A: Given measurements    Measurements  part(a) 1.2×10-9 m part(b) 22×10-15 s part(c) 1.5×109 g…

Q: Read each measurement to the correct number of significant figures. Laboratory glassware should…

A: a) The first image shows a graduated cylinder with the marking of 0.1 mL. The lower meniscus is…

Q: Which of the following measurements are recorded to four significant figures? Select all that apply.…

A:

Q: Questions and Problems Q2 State the number of significant figures in each of the following…

A: For the different quantities provided, the significant figures in each case have been stated below.

Q: Use prefix multipliers to express each measurement without any exponents. a. 38.8 x 10^5g

A: Given: mass= 38.8 ×10^5 gram To find : use prefix multipliers to express measurement  Solution : As…

Q: Determine the number of significant figures in each measurement. Then, choose the representation of…

A: Digits that shows contribution for the accuracy in value we count it as significant figure. There…

Q: Measuring Device 100-mL Beaker 100-mL Graduated Cylinder Volume Measurement # Significant Figures

A: From the given picture we have to tell the measured volume and the number of significant figures.

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

A: Addition and substraction of significant figures :- The result of addition or substraction of…

Q: Round each number to four significant figures, and write the answer in scientific notation.a.…

A: The quantities which come across during the scientific studies are named as physical quantities. The…

Q: How to convert the measurement to the desired unit using the given conversion factor below? 22.02…

A: Given  Measurement in cm    = 22.02 cm  Measurement in inch  =  ?

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

A: The expressions given are,

Q: Carry out the following mathematical operations, and give each result to the correct number of…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: (1.7)Write the answer to each of the following calculations with the correct number of significant…

A: In case of addition or subtraction the significant figures in the answers will be in the form of…

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

A: Rules for significant figure   1)All non zero integer are significant    2)Exact number have…

Q: Precious metals and gems are measured in troy weights in the English system. The following…

A: Introduction:  We have to calculate volume of 1 pennyweight . Given :  Density = 21.45 g/cm3.

Q: Use the prefix multipliers to express each measurement without exponents.a. 1.2 * 10 - 9 m…

A: Prefixes are used to express the number in different units.  a. The given number is 1.2×10-9 m. One…

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: 3 6. 7 8. 9. 10 11 12 mm 41 1.

A: Significant figures- Uncertainty in measured value leads to uncertainty in calculated results.…

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

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

Q: Look carefully at the measurements. Decide if the measurements are Accurate only, Precise only, Both…

A: Measurements are accurate only when the average value is very close to the actual value, but are not…

Q: Count the significant digits in each of these measurements: number of significant digits measurement…

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

Q: Determine the number of significant figures in each measurement.  a. 0.049450 s       c. 3.1587 × 1…

A: Rules to determine significant figures:  1. Non-zero digits are significant. Example - 23.54  has…

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

A: In order to find the solution to the given problems, we need to perform the given operation and…

Q: Which of the following measurements has the correct significant figures for a graduated cylinder…

A:

Q: If you needed to measure 10.0 mL of water, which of the following instruments would be the best…

A: Measuring objects are used in experimental lab to obtain an accurate measure of the substance being…

Q: 1. A wooden square block is placed on an analytical balance giving a mass of 5.1977 g. The square…

A:

Q: Explain why it is important to use significant figures in a measurement. Give an example of…

A: Significant figures are used in measurements and calculations.

Q: A rectangular solid has a mass of 1.490 kilograms.The solid measures 4.3cm by 10.6cm by…

A: Mass and volume are extensive property while the ratio of both this extensive property is an…

Q: An insulin syringe, a low volume syringe, commonly used for diabetic medication is intended for…

A: 1st question  Correct Option : False An insulin syringe is made for one time use. It is not advised…

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: Use approriate metric prefixes to write the following measurements without use of exponents: 12.5 x…

A: Metric prefixes are the terms, use as prefix of a unit to designate the fractions or multiples of a…

Q: What is the uncertainty of the ruler below? Centimeters 0.0 cm 2 0.00 cm 0.000 cm 0 cm 3 9 10 11 12…

A: The uncertainty is defined as the imprecision in the values measured using a device.

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

A: The number of significant figures in the product of the calculation is the minimum number of…

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.