To an order of magnitude, how many piano tuners reside in New York City? The physicist Enrico Fermi was famous for asking questions like this one on oral Ph.D. qualifying examinations.

Q: A student measured the density of a material to be (1.934 0.003) x 10' g/cm. The number of…

A: density = (1.934 +- 0.003)*10 g/cm3 note:- number of significant figure in (1.934)=4 number of…

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

A:

Q: The prefixes according to their value in ascending (increasing) order are a. Micro, milli, centi,…

A: Required: Prefix in ascending (increasing) order

Q: How many significant figures are in the number 0.0037010?

A:

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: You are moving to the USA for your studies and the apartment you want to rent states a floor size of…

A: Given data:  Floor size (A) = 958 square feet = 958 ft2 1m = 3.28 ft

Q: The Speed limit on a highway in Lower Slovakia was given as 120,000 furlongs per fortnight. How many…

A: Given problem is related to speed measurement.

Q: The density of iron (Fe) is 7874 kg/m3. If a cube of iron (Fe) occupies a volume of 0.40 m3 what is…

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 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 following lengths are given using metric prefixes on the base SI unit of length: the meter.…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 0.02 inches per second is equivalent to how many feet per hour?

A: Given ,  0.02 inches per second . We have to convert this value into feet per hour .

Q: If a marathon runner averages 9.5 mi/h, how long does it take him or her to run a 26.22-mi marathon?

A:

Q: How many significant figures are in the number 0.00030100?

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Q: Determine the number of significant figures in the following numbers. a. 6.12 b. 4.009

A: Given data:  Two numbers 6.12 and 4.009 Required: The number of significant figures

Q: Assuming that the following numbers are written with the correct number of significant figures, make…

A: the number of significant figures in the final result of an calculation is equal to the least number…

Q: Lake Baikal in Siberia holds the world's largest quantity of fresh water, about 14 Eg. How many…

A: Given information:The quantity of fresh water in the lake is 14 Eg.

Q: What is the order of magnitude difference between something that operates in nanoseconds and…

A:

Q: 1. 00 A student sees a newspaper ad for an apartment that has 1330 square feet (ft') of floor space.…

A: Given Data: The area of an apartment in square feet is, A=1330 ft2 We know that,

Q: The number of significant figures in the measurement 0.050010 kg is a. ОБ. 2 O c. 5 O d. 7

A: Significant figures are the number of digits in a quantity that are either non-zero or trapped…

Q: The SI unit for length is: kilometer mile meter inch

A: The S.I. unit of length is meter.

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: 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: The playing area of a soccer field measures 125 m by 85 m  Question: 8mm of rain falls on the…

A:

Q: Two types of barrel units were in use in the 1920s in the United States.The apple barrel had a…

A: Given: Volume of apple barrel = 7056 cu.inchesVolume of cranberry barrel = 5826 cu.inchesTotal…

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

A:

Q: What is the product of 11.24 and 1.95 written with the correct number of significant figures

A: First Number = 11.24 (significant numbers = 4)   Second number = 1.95 (significant numbers = 3)…

Q: How many minutes are in a week?

A: 1 week = 7 days or 1 week = 7 x 24 hours or 1 week = 7 x 24 x 60 minutes  or 1 week = 10080 minutes

Q: A human hair has a thickness of about85 mm. What is this in (a) meters and (b) millimeters?

A:

Q: The scale of a certain map is 1:25,000. If an error made on the map is 0.02 mm, what is the…

A: Scale of a certain map = 1: 25000 Error made on map = 0.02 mm

Q: Suppose a man's scalp hair grows at a rate of 0.35 mm per day. What is this growth rate in feet per…

A: Given information: The man's scalp hair growth rate is 0.35 mm/day.

Q: Starting with the definition that 1.00 in. = 2.54 cm, find the number of kilometers in 3.107 miles,…

A: Given data,           1.00 inch = 2.54 cm.   By using general conversion, convert the units…

Q: What is the order of magnitude difference between something that works in nanoseconds and something…

A: Time in milliseconds when taken in seconds is 1 ms = 10-3 s Time in nanoseconds when taken in…

Q: A yacht is 57 m long. Express this length in feet. ft

A: Required : Length of 57 m long yacht in feet.

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: A student sees a newspaper ad for an apartment that has 2330 square feet (ft2) of floor space. How…

A:

Q: The number of significant figures in 0.06900 is (a) 5 (b) 4 (c) 2 (d) 3

A: The number of significant figures in 0.06900 is

Q: 1. A box has the following dimensions: 24 inches x 15 cm x 500 mm. Calculate the volume of the box…

A: The given box is a cuboid in shape and volume of an cuboid is given by the expression V = l * b * h…

Q: A room is 13 ft by 16 ft. How many square yards are in the room?

A: given size of room L = 13 ft W = 16 ft

Q: Suppose a man's scalp hair grows at a rate of 0.50 mm per day. What is this growth rate in feet per…

A:

Q: A rectangular swimming pool is (7.50x10^1) ft wide and (1.750x10^2) ft long. What is the area of the…

A:

Q: You are moving to the USA for your studies and the apartment you want to rent states a floor size of…

A: Square meter is the unit of area with sides are in meter. And square feet is the unit of area with…

Q: A cereal box has the dimensions of 19.75cm x 28.40 cm x 5.2 cm what is the volume of the box in…

A: Given data: Length =19.75 cm Width =28.40 cm Height =5.2 cm

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)