Which of the following statements uses exact numbers? (a) 1 ft = 12 in.(b) 1 cal = 4.184 J(c) The height of Mt. Everest is 29,035 ft.(d) The world record for the 1-mile run, set by Morocco’s Hicham el Guerrouj in July 1999, is 3 minutes, 43.13 seconds.

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

A:

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

A:

Q: A student is attempting to determine the total volume of water in two identical aquarium tanks, both…

A:

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

A: Given,

Q: How many significant figures are in the following numbers?(a) 78.9 ± 0.2 (b) 3.788 x 109 (c) 2.46 x…

A: To determine Significant Figures

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

A:

Q: Given that the average size of a human skin cell is about 10 microns across, which of the following…

A: Scientists estimate that the human body is made up of around 10 trillion cells in total. Your skin…

Q: The result of (20.20 + 0.010)(11.20 – 6.200) is in Newtons (N). If 20.20 is in meters (m), what are…

A: Given: unit of 20.20 is meter and unit of (20.20+0.010)*(11.20-6.200) is N

Q: How many cubic centimeters are there in a cubic meter? a) 10 b) 100 c) 1000 d) 1 × 104 e) 1 × 106

A: Significant figures are used to establish the number which is presented in the form of digits. These…

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: Determine the number of significant figures in the following measurements: a. 0.0009 b. 15,450.0 c.…

A: Rule: If the number is less than one, all the zeroes to the right of the decimal point but to the…

Q: Find the product below and express the answer with units and in standard scientific notation with…

A: In the first step, multiply the numerical value given in the expression, next find the product…

Q: The thickness of a human hair is 0.015cm. This thickness is same as

A: Thickness of hair = 0.015 cm  1 cm = 10-2 m

Q: Express the following quantities in standard decimal form and indicate how many significant figures…

A: Given values: a. 4.56×10-3 b. 0.08120×105 c. 4.56×104

Q: Express the following quantities in SI units: 23.4 grams = 2.34 x 10^-2 124 millimeters = 1 hour and…

A: The SI unit for mass is kilogram therefore the relation between gram and kilogram is given as, 1 kg…

Q: The mass of the cube is 12 grams. Calculate the density of the cube using the length measurement…

A: Given data: Mass of the cube, m=12 g Measurements of the cube:  l=1.05 mm=0.105 cmb=1.25 mm=0.125…

Q: 8. Using the rules for significant figures, what is the sum of 12+34.5+67.89+1.011? * O 115.401 O…

A: The number of significant figures is the minimum value as in the given in the individual data.

Q: A 4.2 cm diameter cylinder has a length of 13.5 cm. What is the cylinder's volume in SI units?

A: Given data: Diameter of the cylinder, D=4.2cm =0.042m Length of the cylinder, L=13.5cm=0.135m

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

A:

Q: Which of the following is the best estimate for the mass of all the people living on the Earth? (a)…

A: Answer The population of the world is 6 billion  Assuming average weight of a human body is 50 kg…

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

A:

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A:

Q: During a month-long advertising campaign, the total sales S of a magazine is modeled by the function…

A: The sales function is, Sx=2x2+48x+11000 (a) The average rate of change of sales from 10 to 20 can be…

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

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: 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: How many significant figures are there in the number 0506.00? А. 6 В. 5 С. 4 D. 3 Е. 2

A:

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: The average cost per unit P(x) in pesos, в 0.67 to produce x units of cellphone is 300 given by P(x)…

A: NOTE : As per bartleby guidelines, we can answer only first question. For remaining questions please…

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A:

Q: The gasoline consumption of a small car is advertised as 12 km/L. How many miles per gallon is this?…

A: Given data: The gasoline consumption of a car = 12 km/L 1 mile = 1.6 km 1 gallon = 3.8 liters…

Q: What is the height in meters of a 5 foot 6.0 inch tall person? m

A: given that,h=5 foot 6 inchconvert h in meters

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: The dot product of vectors A and B is 6 sq. meters. If B = 3.5i + 5.1j – 3k meters and the angle…

A: Given data: Dot product of vector A and B = 6 m2 Vector B = 3.5i + 5.1j – 3k Angle between vector 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: 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: Lake Baikal in Siberia holds the world's largest quantity of fresh water, about 14 Eg. How many…

A: in this question we convert values.

Q: The most powerful engine available for the classic 1963 Chevrolet Corvette Sting Ray developed 360…

A:

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A: Given that metabolic rate (R) is proportional to mass(m) powered 34th : R∝m34

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: If B is added to A ,the result is 6.4i + 4.2j. If B is subtracted from A , the result is -3.2i +…

A: to

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.

Q: Express this product in units of m3 in scientific notation with the appropriate number of…

A: The value is given as (2.90 km) × (350 cm) × (1.005x10-2 mm)

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.