The Earth is approximately spherical, with a radius of 6.37x106 m. Calculate the surface area of the Earth in square kilometres (km2) to 2 significant figures. O 3.0x105 km² O 5.1x108 km2 O 2.9x107 km2 O 1.2x10° km2 8.3x108 km2

Q: The area of a small table is 593 cm2. Express this area in the S.I. unit. O a. 0.0593 square meter O…

A:

Q: 4) What is 0.2052/3, to the correct number of significant figures? A) 0.348 B) 0.35 C) 0.3 D) 0.3477…

A: Find 0.2052/3.

Q: Which of these is the fundamental unit of length, l?     millimeter, mm     centimeter, cm…

A: Fundamental units are those units which are independent of other units and are not derived from…

Q: A Texas rancher wants to fence off his four-sided plot of flat land. He measures the first three…

A: Given : A = 4.25 km θC = 17° θA = 7.5° (Using figure) θB = 16° (Using figure) B = 2.48 km (Using…

Q: A sphere has volume V = 950776 cm3; what is its radius? (HINT: The volume of a sphere is…

A: The volume of the sphere is given by,

Q: Starting with the definition find the number of kilometers in 1.00 mile? O 1.61 km O 1.62 km O 1.52…

A: Kilometer (km) is a unit of length, and used for the measurement of distances. 1 kilometer equal to…

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: Starting in Albany, you travel a distance 390 miles in a direction 13.9 degrees north of west. Then,…

A:

Q: A plot of land contains 5.2 acres. How many square meters does it contain? [1 acre = 43,560 ft2.] a)…

A: Given plot area = A = 5.2 acres we have to calculate 'plot area in square meters'

Q: Which of the below expressions meets the requirements of using scientific notation? Select one: O a.…

A: Introduction: Scientific notation is a way of expressing numbers that are too large or too small to…

Q: 1) Write out the number 4.06 x 10 in full with a decimal point and correct number of zeros. A)…

A: The given number is 4.06×10-5   This can be written as    4.06×10-5 = 4.06105…

Q: For this problem, time is given by the variable t, position by s, area by A, and volume by V.…

A: (a) The position of an object is increasing at a rate, dsdt=30 m/s (b) The area of an object is,…

Q: The maximum distance between the transmitting and receiving TV towers is 65 km. If the ratio of the…

A: Given : The maximum distance between the transmitting and receiving TV towers dmax= 65 km The ratio…

Q: 61.0 m 48.2 m

A: height of red balloon =48.2m Height of green balloon =61m Angle θ =13.3

Q: A standard object has an official length of 4.52 cm. Students made actual measurements and got the…

A:

Q: 1.1 Complete the following table. Decimal notation 400,000 0.000600 Scientific notation Number of…

A: To determine: Correct answers for the given table.

Q: Two of the interior angles of a triangle are 44.7 degrees and 62.1 degrees. What is the third…

A:

Q: Estimate the volume of the earth in m3 by assuming that its radius is 6400 km.

A: Given Radius of earth R = 6400 km = 6400 ×103 m =6.4 × 106 m

Q: Use 80.7 kg as the theoretical mass of the person.  Polar radius: 6.36×106 m Equatorial radius:…

A: Given The polar radius is rp = 6.36×106 m. The equilateral radius is re = 6.37×106 m. The mass of…

Q: The standard exam page is 8.50 inches by 11.0 inches.  What is its area in cm2 ?

A:

Q: Simplify the following and leave your answers in index form: x6 × x12  × x3…

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Q: With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 12 mmmm.…

A: Given data: Length (L) = 12 mm Width (W) = 6.98 mm Required: The area and perimeter of the rectangle…

Q: Metric time is defined so that one day equals 10.0 hours, one hour equals 100. minutes, and one…

A:

Q: "Two points in a two dimensional cartesian coordinate system are located at x1= 2.2 inches, y1 = 5.9…

A:

Q: A block is 4.5 cm long and 5.9 cm wide. What is the recorded area when written to the proper…

A: Given data:  Length (l) = 4.5 cm Width (b) = 5.9 cm Required: Area of the block with proper…

Q: man walks 25.6245 m directed 127.1469 degrees from the positive x-axis, then he walks 18.7749 m…

A: The man first walks a distance A=25.6245 m in a direction 127.1469o then a distance B=18.7749 m in a…

Q: A man walks 10.1221 m directed 124.9264 degrees from the positive x-axis, then he walks 37.6981 m…

A:

Q: 17. Which of the following represents a standard scientific notation? 12000. 123.0x103 1.230x103…

A:

Q: Calculate the volume, diameter, cross-sectional area , and density of a cylinder Diameter = 1.847 cm…

A: Given that: Diameter, D=1.847 cm±0.001 cmLength, L=3.724 cm±0.003 cmMass, m=28.1g±0.1g

Q: An object’s average density ρ is defined as the ratio of its mass to its volume: ρ = M/V. The…

A:

Q: Volume where 1- p2 S.N.. side length (1) surface area (3) 1 1.5cm 135 cm 6 cm 1.5 cm ✓ 1 cm 05 cm…

A: Solution:-

Q: If the length of a rectangle = |5 ± 0.1|m and its width = |4 ± 0.2 | 12 m. So, the rectangle area is…

A: The area is length times breadth. So, A = 5*4 = 20m2

Q: An astronomical unit (AU) is the average distance between the Earth and the Sun, approximately 1.50…

A: Given data:  1 AU = 1.50 × 108 km Speed of light (c) = 3.00 × 108 m/s Required: The speed of light…

Q: A rectangular solid measures 1.1 m by 3.3 cm by 8.0 dm. Express its volume in cubic meters, liters,…

A:

Q: Name the metric unit you would use to measure the distance around your waist. centigram centimeter…

A: We generally use length around waist in centimeter or inch. Here, centigram is unit of mass not…

Q: Which of the following calculations have the correct number of significant figures in the final…

A: We know, in arithmetic operations (addition, subtraction, multiplication, or division), the final…

Q: Estimate the number of steps you would have to take to walk a distance equal to the circumference of…

A:

Q: The meter is the standard unit of length for physics.  Which of these is the current way we define…

A: The base units for length, mass and time in these systems were as follows : (a)In CGS system they…

Q: 2) Rewrite the following expression in proper scientific notation as in the example on page 1. Note…

A: (2) The given expression in the scientific notation form is,…

Q: In the following calculations, be sure to express the answer in standard scientific notation with…

A: Given 6.487×104 m2 4.8936×102 m   Calculation : We have to solve  6.487×104 m2/4.8936×102 m…

Q: A high tech company uses a satellite to measure the size of features on the surface of the earth.…

A:

Q: B. Express the following items to scientific notation. 10) 10 005 kg 11) 32 008 m 12) 40 750 585 ms…

A: 1. First, move the decimal point until there is no non-zero digit to the left of the decimal point.…

Q: With these values, calculate the diameter and radius of square. length= 1.89cm width= 1.89cm…

A: Length = height = width = a = 1.89 cm

Q: radius (r) of the international reference kilogram cylinder is 1.95 cm. Assuming the density of the…

A: Given  Mass m = 1kg  Radius r = 1.95 cm = 1.95 ×10-2 m  Density d = 21.50 g/cm3…

Q: 2. Using some or all of the conversion factors, convert the following:  Convert 3.67 x 103 yards…

A: Given value is 3.67×103 yards. Convert it to feet using above given list of conversion factors.…

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.