Multiply 3.079 X 102 m by 0.068 X 10-1 m, taking into account significant figures.

Q: The mass of an ear ring is 950 mg. Express this mass in SI unit. (a) 9.50 x 10-6 kg (b) 9.50 x 10ª…

A: Given data: Mass of an ear ring (m) = 950 mg Required: Mass in SI unit

Q: Estimate the size of a molecules.

A: Given data;  Molecules in 1 litre water is=6.02×106 Estimate the size of a molecules ?

Q: A sphere of radius r has surface area A = 4πr2 and volumeV = (4/3)πr3. If the radius of sphere 2 is…

A: a)The ratio of the areas, A2/A1

Q: Calculate the area for a surface with a length of 2.56 cm and length 7.74 cm. Express the answer…

A: Given that: The length of a surface is as: a=2.56 cmb=7.74 cm   It is required to determine the area…

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

A:

Q: A student measured the length of a table to be 65 cm, but the table was actually 62 cm long. What…

A: Given data: Measured length lm=65 cm Actual length la=62 cm

Q: t is to be installed in a room whose length is measured to be 12.96 m and whose width is measured to…

A: Given values:- Length of room,(L)=12.96 m -----(1) Width of room,(W)=3.56 m -----(2) Suppose the (A)…

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 dimension of a room is 12 feet by 20 feet. Compute the area of the room square yards. Given 1…

A: The dimension of a room is 12 ft by 20 ft. So, length L=20 ft and breadth b=12 ft. The conversion…

Q: The micrometer (1 µm) is often called the micron. (a) How many microns make up 4.0 km? | um (b) What…

A: Given 1μm=10-6 m

Q: Estimate the number of breaths taken by a human being during an average lifetime. (Hint: Show…

A:

Q: How many significant digits are in the exact number 155?

A: Given: The number is 155.

Q: Express the following sum with the correct number of significant figures: 1.80 mm + 171.5 cm +…

A: Here, the sum is

Q: Where r is the radius of the sphere and pi = 3.14. If you measure the radius of a bowling ball to be…

A:

Q: .02 inches per second is equivalent to how many ft per hour? using dimensional analysis

A: Given  0.2 inch  per second  Let x be the value in ft /hr  Thus    0.2 inch /sec = x ft /hr

Q: A rectangular room was designed to be built for a length of 25 feet and a breadth of 18 feet. Find…

A: Given data: The length of room is l=25 ft. The breadth of room is b=18 ft. The deviation in length…

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

A: (a) Sum of the measured values 756+37.2+0.83+2=800 (b) The product 0.0032×356.3=1.1

Q: Assume that you measure the dimensions of a cylinder with a vernier caliper many times and obtain…

A: Given that, The height of the cylinder is H=3.1cm And the diameter of the cylinder is d=1.13cm…

Q: Convert 4-oz to grams, write your answer using one significant figure. Convert 1.88 y (year) and 65…

A: The answers are below

Q: You've been asked to calculate the mass of a conical pile of sawdust measuring 10 meters high with a…

A: Solution:-        We are given with height of a conical pile of…

Q: In a right triangle, the side opposite angle theta has length 9.26 m and the side adjacent to angle…

A: The length of the opposite side of angle theta is given as l = 9.26 m. The length of the adjacent…

Q: A plot of land has an area of 12.0 acres, if 1 acre is 4047 m², and a hectare has the same area as a…

A: Given: The area of the land is 12.0 acres. 1 acre is equal to 4047 m2. One hectare is equal to the…

Q: Perform the following calculation and state the result with the correct number of significant…

A: Significant number rule.  When two numbers are multiplied such that both the numbers have same…

Q: A circular flower bed has a radius of 5.45m. Compute its (a) circumference in feet and (b) area in…

A:

Q: What is the ratio (in cm) of the Volume to the Surface Area of a Cube of side 5.9 cm?

A: Given data:  A cube The side of the cube (s) = 5.9 cm Required: The ratio of the volume to the…

Q: A lecture period (50.0 min) is close to 1.00 microcentury. (a) How long is a microcentury? (b) Usin…

A: (a)we know that,minutes in 1 century=52.6×106 minutesminutes in 1 micro century= 52.6 minutes

Q: Volume = area × thickness. Find the volume V as a function of thickness T if the area is 7.0 cm².

A: Given that; Volume= area×thickness Area=7.0 cm2 = 7×10-4m2 We have to find volume V as a function…

Q: The length and width of a rectangular room are measured to be 3.885 ± 0.0065 m and 3.2 ± 0.0045 m.…

A: Given The length of a rectangular room = l = 3.885 ± 0.0065 m The width a rectangular room = b = 3.2…

Q: The value of f(x− y )dx + xdy, where C' is x² + y² = 2 (A) T (B) 2π (C) 3л (D) 4π

A: The given integral, where C is, the radius of the circle,

Q: In the calculation of the perimeter of a square measuring: 5.0 cm ± .05 cm by 5.0 cm ± .05 cm, What…

A:

Q: The radius of sphere 2 is triple the radius of sphere 1. What is the ratio of the areas, A2/A1?

A: Let us use subscript 1 for smaller sphere and subscript 2 for largersphere .Then , according to…

Q: In the calculation of the area of the same square measuring: 5.0 cm ± .05 cm by 5.0 cm +.05 cm, What…

A:

Q: The length and width of a rectangular room are measured to be 3.885 ± 0.0065 m and 3.2 ± 0.0045 m.…

A: Please see the answer

Q: How many significant figures are there in (a) 78.9 ± 0.2, (b) 3.788 × 10

A: Significant figures shows that the figures which gave the accuracy in the measurement.

Q: Calculate the following and express the answer in the proper number of significant figures:…

A: calculation

Q: f the walls in a room are 80.2 m2 in area and a gallon of paint covers 15.0 square yards, how many…

A:

Q: The numbers 2.745 and 2.735 on rounding off to 3 significant figures will give (a) 2.75 and 2.74 (b)…

A: When rounding numbers consider the significant digits you want to round to. Here the numbers are…

Estimate of calculation