Which of the following quantities has the greatest order of magnitude?    1. the number of stars in the Milky Way Galaxy (2 ✕ 1011)   2. the number of cells in an average human body (4 ✕ 1013)       3. the number of atoms in one gram of pure gold (1.40 ✕ 1015)

Q: With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 16 mm. With…

A: Answer: (A) 143.68 mm2 (B) 0.5612 (C) 49.96 mm (D)7.02 mm (E)1.7817 mm Explaination: Given length of…

Q: 4. Fill the Table 2 with the equivalent quantity by conversion the following physical quantities…

A: Given, 1 lbf=4.45 N, 1 ft=0.3048 m, 1 hr=3600 s, 1 psi=6894.76 Pa, 1 mi=1.69 km, and 1 in=2.45 cm.

Q: The radius of an atom of gold (AuAu) is about 1.35 ÅA. How many gold atoms would have to be lined up…

A: Given value--- radius = 1.35 A. distance = 2.5 mm. We have to find--- number of atom ?

Q: Multiply 9.096×10^2m by 0.093×10^−1, taking into account significant figures

A:

Q: 4. What is the least count of caliper in the English system? Paragraph Sles 1. Complete the data…

A:

Q: 1. What is 14.0 kilogram per liter in kilogram per cubic meter? A. 14,000 B. 14,000.0 C. 1.40 x 10…

A: Given : V = 14.0 kilogram per liter

Q: A house is advertised as having 1420 square feet under its roof. What is its arėa in square meters?…

A: Given Area is given as A=1420 ft2   We have to find the area in square meters.

Q: One mole of atoms consists of 6.02 × 1023 individual atoms. If one mole of unicorn atoms were spread…

A: Determine the surface area.

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

A: Operation to be performed : (4.0005×105) + (8.000×102)

Q: Question 14 In one of the labs, a student took multiple measurements for the length of a wooden…

A:

Q: The measurement of a physical quantity is 6.54 kg. What is the percent of uncertainty? * a.) 0.15 %.…

A: Given: The mass of the quantity is m=6.54 kg. Required: percent of uncertainty.

Q: The interior of a popular microwave oven has a width W = 15.5 in., a depth D =14.5in., and a height…

A: The width in centimeters can be obtained as The depth in centimeters can be obtained as The height…

Q: Carry out the following arithmetic operations. (Enter your answers to the correct number of…

A: In the measured value of the physical quantity the number of digits about the correctness of which…

Q: How many millimeters make ten kilometers? A) 1010 B) 109 C) 108 D) 107

A: The distance is defined as "the length of the space between two points". It gives the numerical…

Q: Q8: One gallon of paint (volume = 3.78 x 10° cm³) covers an area of 25.0 m². What is the thickness…

A: Volume is equal to the area times thickness. Therefore, Volume=Area×ThicknessV=A×t

Q: 1. Perform the following mathematical operations, and express the result to the correct number of…

A: Note: According to guidelines, I can solve first three parts of the question. If you need help with…

Q: Consider the physical quantities m, s, v, a, and t with dimensions [m] = M, [s] = L, [v] = LT–1, [a]…

A: Using dimension analysis,   Dimension of L.H.S = Dimension of R.H.S

Q: The side of a square measures 4 m in length. What is the area of the square? O 16 x 10 -4 cm² O 16 x…

A: Side , a = 4 m To find = Area

Q: 4. How many significant figures are in the following numbers? (a) 70.9 (b) 3.788×10° (c) 0.4031026…

A:

Q: One mole of atoms consists of 6.02 × 1023 individual atoms.  If one mole of unicorn atoms were…

A:

Q: [#142] How many cells are you? How many cells in a human? Assume that cells have a typical size of…

A: Average volume of a human body can be assumed to be V=62000 cm3=6.2*10-2m3 and size of a cell d=10…

Q: 1. How many significant figures are in the following numbers? a. 980.00 b. .002220000 c. 792,010. d.…

A: To solve for this, we use various rules for significant figures. 1. 980.00 This has 5 significant…

Q: Which of the following is NOT one of the fundamental units in the SI system? a) newton b) meter c)…

A:

Q: The following measurements were obtained for the length and width of a series of rectangles. Each…

A: Answer is uploaded in the 2nd step

Q: 1.38 What is the answer? Use a given-required-solution format. Provide a step by step solution.…

A:

Q: The micrometer (1 um) is often called the micron. (a) How many microns make up 3.8 km? (b) How many…

A:

Q: How many cubic feet are there in a room measuring 6m x 9m x 3m? (1 foot=3m) B) How many…

A: Given data: Room dimensions = 6m × 9m × 3m 1 foot = 0.3 m Volume of box (V) = 120 cm3 1 cm = 10 mm

Q: The micrometer (1 um) is often called the micron. (a) How many microns make up 3.8 km? (b) How many…

A:

Q: What are some of the advantages of scientific notation? - After which numeral is the decimal point…

A: In terms of scientific notation b,very large and very small calculation can be easily expressed in…

Q: Objectives: 1. Analyze sets of data and decide whether the measurements are precise and/or accurate.…

A: Note : According to our guidelines , we are only allowed to answer 3 subparts per question . If you…

Q: following fundamental SI units are based on a physical artefact instead of a natural phenomenon?…

A: Option A The kilogram is the only one of the seven basic units of the international measurement…

Q: Copper can be drawn into thin wires. How many meters of 34- gauge wire (diameter=6.30x10-3 in) can…

A:

Q: Now you will use the ruler to measure the dimensions of a block of pure aluminum metal. Make sure…

A:

Q: Which of the following pairs of measured numbers have the same uncertainty or error in both numbers?…

A:

Q: The quantity p = 3.14159c is a number with no dimensions, since it is a ratio of two lengths.…

A: Given:-                The quantity p = 3.14159 c is a number with no dimensions, since it is a…

Q: Perform the following calculations and report your answer to the correct number of significant…

A:

Q: Consider the physical quantities f, g, h, i and j with dimensions: [S] = M² [g] = [h] = MLT-2 [i] =…

A: Given: f=M2g=ML-3h=MLT-2i=L-3j=L2T2 Now, to find a dimensionless quantity, we need to find:…

Q: Question 14 In one of the labs, a student took multiple measurements for the length of a wooden…

A: Given data for length  35.7, 35.6, 35.6, 35.8, 35.7, 35.8

Q: 13. Which of the answers for the following conversions contains the correct answer and the number of…

A: Correct answer is given below.

Q: 1. Find the percent uncertainty of 300±5 cm. How will you write the value of the measurement? 2

A: As per guidelines  only first question is answered here , as all questions are not a subpart of a…

Q: Since 0.254 m = 25.4 cm = 254 mm, we could conclude that unit conversions within the metric units of…

A: Given : 0.254 m = 25.4 cm = 254 mm

Q: Perform the following unit conversions: a) 65 miles per hour to meters per second (hint: 1 mile =…

A: From unit conversion, the required values are: a)

Q: In the equation, C, = pgy+0.5pC,), if y is distance, g is gravitational acceleration, p density and…

A: For the equation C1=ρgy+0.5ρC22 to be dimensionally correct, each term in the equation must have the…

Q: A typical oil molecule has an effective diameter of 0.25 nm. If 25 L (1 L is the same as 1000 cm3)…

A:

Q: A building 200 ft tall is 300 ft by 500 ft in cross section. If all four sides of the building are…

A:

Q: Using a calculator, calculate the following sequences. Your answers should be numbers only. Not…

A: Introduction: We need to use concept of inverse trigonometry & trigonometry along with magnitude…

Q: A pyramid has a height of 481 ft , and its base cover W area of 13.0 acres ( Fig . P1.20 ) . The…

A: Given, height, h = 481 ft base area, b = 13.0 acres 1 acre = 43560 ft2  1 ft = 0.3048 m 1 ft3=0.3048…

Q: 18. How many significant figures are there in 320? Express your answer in numbers (1,2,3,4,5, etc.)…

A:

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.