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

A: a) b)

Q: The length and width of a rectangular room are measured to be 3.764 + 0.005 m and 4.030 + 0.005 m.…

A: As all the-given values are of three significant decimal digits so answer should also be rounded off…

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

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: Irina is told to use a meter stick to find the length of a room. She makes six independent…

A: Required  best estimate length of room from the given observed lengths 4.402 m , 4.217 m, 4.345 m ,…

Q: Use scientific notation to express each of the following quantities with only the base units (no…

A: Unit conversion is the method br which same quantity is convert into different units like…

Q: A book is moved once around the perimeter of a tabletop with the dimensions 1.0 m × 2.0 m. If the…

A:

Q: Compute the following numbers to three significant figures.a. 33.3 x 25.4                 b. 33.3 -…

A:

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

A: We have to find the sum, product (a)  578 is answer (b) 2.4 (c) 56.206

Q: USING LENGTH MEASUREMENTS MADE WITH A CENTIMETER RULER U.S. MINT MEASURED USING…

A: The dimensions of Dime, Penny and Quarter are given as follows  : Dime : mass = 2.268 grams diameter…

Q: The relationship between three quantities x, y, and z is given by x = y² /z. If the dimension of y…

A: Given: The relationsp between quanittity is. x=y2z The dimension of the y is LT. The dimension of…

Q: Match the following 1. Precision a. the rightmost digit in a recorded data 2. Significant figure b.…

A: Precision :       Degree to which exactness is applied i e. If we take measurements number of times…

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

A:

Q: State how many significant figures are proper in the results of the following calculations:…

A: According to question we need to find how many significant figures are proper in the results of the…

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

A:

Q: A round coin has a diameter of 19.55 mm, a thickness of 1.55 mm, and a mass of 2.50 g. What is its…

A:

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

A: a)533+35.0+0.80+9=577.8Here 533 has no decimal place significant figure than answer shouldround off…

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

A:

Q: A traditional unit of length in Japan is the ken (1 ken  1.97 m).What are the ratios of (a) square…

A: The unit length in ken,   The ratio of the square kens to square meters,

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

A:

Q: Question 1.1: Express the following quantities in prefixes: (a) (b) (c) 3 x 10 4m 5 x 10-5s 72 x…

A: (a) 3 x 10-4 m is expressed in prefix as, =3×10-4 m=3×10-1×10-3 m=310×10-3 m=0.3×10-3 m×103 mm1…

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

A: Sum of 756,37.2,0.83 and 2  In case of addition, the significant figures after the decimal point…

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

A: Given: da = 0.10 cm a = 10 cm db = 0.06 cm b = 5 cm dc = 0.04 cm c = 4 cm   We have the volume of…

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

A:

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

A:

Q: Which one of the choices below represents the preferred practice regarding significant figures when…

A: Required :  Preferred practice regarding significant figures.

Q: A particular convenience store offers a drink called the "MegaGulp". If the cup holds 107 fl oz. of…

A:

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: 5. (a) What is the percent uncertainty in the measurement 8.55 ± 0.36 m? (b) Determine the number of…

A: Percentage uncertainty of a measured value is given by-uncertainityvalue×100=percentage uncertainty…

Q: The volume of a bottle of water is 106 cm3. Express this volume in the S.I. unit. a. 0.000106 cubic…

A: Convert the volume of the bottle from CGS unit to SI unit. Volume (V) = 106 cm3

Q: What is the Percentage Error of: Tablet length using ruler: 1.) 18 mm 2.) 22.5 mm 3.) 5 mm 4.)…

A: We know that a ruler has increments in units of centimetre (cm). The smallest scale division is a…

Q: How many significant figures are there in each of the following? (a) 83.4 ± 0.9 (b) 3.4130 x 109 (c)…

A: Part (a)               83.4±0.9 (+) ⇒  83.4 +0.9 = 84.3 ≃ 84.3   →3 significant number   (-)  ⇒…

Q: Compute For the relation between the cubic inch and the cubic om by taking the ratio of the volume…

A: Volume of the wooden block = a * b * c ( where a, b & c are av. length , av. width and av.…

Q: A student solving for the acceleration of an object has applied appropriate physics principles and…

A: Given a1 = 3.00 m/s2 F = 12.0 N m = 7.00 kg

Q: Using a measuring tape with a least count of 0.1 cm, you measure a package you wish to ship and…

A: The least count of the tap LC=0.1 cm  The length l=11.2 cm The width w=7.5 cm The height h=5.4 cm…

Q: How many ping pong balls would fit into a room 3 m wide by 4 m long by 4 m tall (without being…

A: Length of room ,l = 4 m width of room,   b = 3 m height of room,  h =4 m Diameter of ping pong,d =…

Q: Convert 23 miles to feet.

A: NOTE: As per guidelines, I can solve first question. If you need help with other questions, kindly…

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: 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:

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.

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.