How many ping pong balls would fit into a room 3 m wide by 4 m long by 4 m tall (without being crushed)? Estimate the order of magnitude.

Q: About how much (in percent) does an error of 1% in x and y affect x3y2?

A: Percentage error = x3y2

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: A cylinder of mass (m) and a diameter of (2a) with height (10 cm), The height for other cylinder…

A: Since the cylinders are made of the same material, the density of the material must be constant. The…

Q: A balloon, in the shape of a right circular cylinder, is being inflated in such a way that the…

A: The increase in radius increases the area of the caps and the area of the side wall. The increase in…

Q: Assume that the radius of the earth is 4 x 103 mi and that it is a perfect sphere. How many cubic…

A:

Q: A sphere of radius r has surface area A = 4πr and volume V = (4/3) πr . If the radius of the sphere…

A:

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: An architect is redesigning a rectangular room on the blueprints of the house. He decides to double…

A: Given data:  New width (b1) = 2b New length (l1) = 1.89 l New height (h1) = 1.20 h Required: Factor…

Q: Estimate the number of jelly beans in the jar of Fig. 1–18. FIGURE 1–18 Problem 45. Estimate the…

A: Assume that the jellybeans are packed very close to each other and that there is very little empty…

Q: What is the value of Xc (in centimeters) if R is 15cm?

A: Given,Radius of the quater plate, R = 15 cm

Q: The dimensions of a box are given as follows: length=27.3cm width=15.5 heigth=5.4cm  Calculate the…

A: The length of a box is,                                      l = 27.3 cm The width of the box is,…

Q: The measured dimension of a rectangular block are 2.267+/- 0.002 in., 3.376 +/- 0.002 in., ans 0.207…

A:

Q: The volume of liquid flowing per second is called the volume flow rate Q and has the dimensions of…

A:

Q: An architect is redesigning a rectangular room on the blueprints of the house. He decides to double…

A: Let the length of the rectangle be L breadth B and height H. Therefore, volume of the rectangle:…

Q: You can use known quantities to determine an approximate measurement of unknown quantities. If your…

A: 1 hand = 10 cm

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: I don't understand this. why365.0g is significant figures? I think its effective number is 3, and…

A: Significant figures in simple terms are the important digits of a number that reflect the precession…

Q: In a situation in which data are known to three significant digits, we write 6.379 m = 6.38 m and…

A: Logarithmic scale is used to find the order of magnitude.

Q: For the multiplication of 7.443m times 8.5m, the result should be reported with how many significant…

A:

Q: Phe length and breadth of a rectangular sheet are 16.2 cm and 10.1 cm, respectively. The area of the…

A:

Q: Estimate the number of tennis ball that would fit into a room that is 4m long, 4m wide, and 3m high.…

A:

Q: How many years will it take to occupy the computer's hard drive that can store data of 82 gigabytes…

A: Solution: Given the amount of data = 82 gigabytes = 82x109 bytes. Also given, 1 byte = 1 character.…

Q: By what factor does the volume of a cube increase if the lengths of the edges are doubled?

A:

Q: A unit of area often used in measuring land areas is the hectare, defined as 104 m2. An open-pit…

A: We know,

Q: The following is known about three numbers: Three times the first number plus the second number plus…

A:

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

A: Given  Dimensions of physical quantities   [m] = M  [s] =L  [v]= LT-1  [a] = LT-2  [ t] = T  Also…

Q: * The volume of liquid flowing per second is called the volume flow rate Q and has the dimensions of…

A: The length of needle is L and its dimension is [L]. The radius of the needle is R its dimension is…

Q: The area of  a rectangle is found to be 250cm2. If its width is 150mm, what is its length in meters?

A: We know. The area of a rectangle (A) = length (l)×width (w)

Q: The base of a pyramid covers an area of 13.0 acres (1 acre = 43 560 ft2) and has a height of 481 ft…

A: The base of the pyramid covers an area,

Q: A rectangular airstrip measures 32.30 m by 210 m, with the width measured more accurately than the…

A: Given, A rectangular strip measures 32.30 m  by 210 m . The width is measured more accurately than…

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

A:

Q: American football is played on a 100-yd-long field, excluding the end zones. How long is the field…

A:

Q: Container 1 has rectangular base with area of 4.03m ^ 2 and its height is 1.3 m. Container 2 has a…

A: Area of the base of container 1 is A=4.03 m2 Height of container 1 is H = 1.3 m Volume of container…

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 significant figures are in the following number: 2.5x10(power of 2)

A: Given data:  A number 2.5×102 Required: The number of significant figures

Q: The base of a pyramid covers an area of 13.0 acres (1 acre =43 560 ft2) and has a height of 481 ft…

A: The formula to find the volume of the pyramid is,

Q: Which numbers are exact (and therefore have an unlimited number of significant figures)?

A: Exact numbers are the numbers that are used to count not measure. Exact numbers have infinite…

Q: If In(x) 3.37, what is the value of x?

A: According to question we need to find value of x.

Q: How many significant figures are there in (a) 0.0210, (b) 5.060, (c) 7.10 * 10-4,(d) 1.0 * 105?

A: significant figures

Q: the volume of the rectangular block in the figure is calculated from the following measurements of…

A:

Q: A firkin is an old British unit of volume equal to 9 gallons.How many cubic meters are there in 6.00…

A: 1 gallon is equal to 3.785 liters. 1 liter is equal to 0.001 m3 Thus 1 firkin in  m3  is equal to…

Q: 1. [10] When building a retaining wall, I had to fill a gap with average width 10.0 in., average…

A: In the given scenario, volume of gravel required is equal to the volume of the gap inside wall,…

Q: Problem 1: A rectangular box is h = 4.5 inches in height, w = 39.5 cm wide, and L = 1.1 yards long.…

A:

Q: The micrometer (1 um) is often called the micron. (a) How many microns make up 5.5 km? (b) How many…

A:

Q: How should the computed result be reported, to the proper number of significant figures, for the…

A: Solve the given set of mathematical operations.