Milk is often sold by the gallon in plastic containers. (a) Estimate the number of gallons of milk that are purchased in theUnited States each year. (b) What approximate weight of plasticdoes this represent?

Q: If a safe distance is expressed as one car length per 22 km/h of speed traveled, how many car…

A: Given that safe distance is one car length per 22 km/h.

Q: How many heartbeats are there in a lifetime?

A: Consider that the average lifetime of the human is 75 years.

Q: Azelastine hydrochloride is an antihistamine nasal spray. A standard-size container holds one fluid…

A: Given:- 1 gallon (gal) = 128 oz., 3.785 x 10-3 cubic meters (m3) = 1 gal, 1 mL = 10-6 m3.

Q: 3 students in a dormitory of 100 spread a rumor about the suspension of classes. After 2 minutes, 10…

A: Concept used: Joint proportion is a method used to solve problems where more than two variables are…

Q: A heavy rainstorm dumps 1.0 cm of rain on a city 5 on wide and 6 km long in a 2-h period. How many…

A:

Q: 6.3 KA is how many µA?

A: Given: The amount is given = 6.3 KA

Q: 5.6 A pipe with a 16 in. diameter carries water having a veloc- ity of 3 ft/s. What is the discharge…

A:

Q: Dea agents watch drug smugglers load cocaine onto a fishing boat in a Mexican river to transport it…

A: Here  given that the area of boats is 50 m2 and it sinks by 2 cm. We havd to calculate how much…

Q: what is the ratio of the

A: Mass of object 1, =m/2 Mass of object 2=m Specific heat of object 1, =2S Specific heat of object…

Q: It says that it's not the appropriate number of sig figs.

A:

Q: What is the value of Xc (in centimeters) if R is 15cm?

A: Given,Radius of the quater plate, R = 15 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: How many significant figures are in the number 0.00030100?

A:

Q: 5.74 g of a substance occupies 1.2 cm3. Express its density bykeeping the significant figures in…

A: Given:5.74 g of a substance occupies 1.2 cm3.

Q: A person on a diet might lose 2.3 kg per week. Express the mass loss rate in milligrams per second,…

A:

Q: DEA agents watch drug smugglers load cocaine onto a fishing boat in a Mexican river to transport it…

A:

Q: The speed on I-75 is 65 miles per hour.  If onbe mile is equal to 1.6 km, what is the speed limit…

A: Given data:  Speed (v) = 65 mi/h 1 mi = 1.6 km Required: Speed in m/s

Q: Which is the larger unit of volume: a fluid ounce or a milliliter?

A: The volume can be measured for fluids in cubic feet per second or cubic meters per second.  The…

Q: As the volume of an object is increased, its surface area also increases. During this increase, does…

A: The square-cube law states that when an object undergoes a proportional increase in size, its new…

Q: What is the reported value of the length of the book with uncertainty? If the length (l) of a book…

A: data,l1 = 8.21cml2 = 8.24cml3 = 8.22cml4 = 8.23cml5 = 8.24cml6 = 8.22cml7 = 8.23cmmean value would…

Q: The measurement of a physical quantity is 6.54 kg. What is the percent of uncertainty?

A:

Q: When a measuring scale is used properly to the limit of preci- sion, the last significant digit…

A: When the measuring scale is used to the limit of precision then the last significant digit is…

Q: It is observed that a height of child is growing 0.5 inch per 6 months. At the age of 6 years, if…

A: Here given that the height of a child grows 0.5 inch per 6 month.Again at the year of 6 the height…

Q: Calculate the number of cells in a hummingbirdassuming the mass of an average cell is ten times the…

A: The mass of a hummingbird is 10-2 kg, while the mass of a cell is 10-15 kg. The number of cells in…

Q: A good quality measuring tape can be off by 0.50cm over a distance of 20m? What is the percent…

A: Given:Original length L=20mUncertainity in lengh SL=0.50cmSl =0.50×10-2m

Q: An everage family of four uses roughly 1200 liters - about 300 gallons - of water per day. How…

A: The Average family uses  water about 1200 liter/day Now as the total population of the town is…

Q: The ratio of the density of a material to the density of water is the?

A: Specific gravity or relative density is defined as the ratio of  the density of a material to the…

Q: Calculate the approximate number of atoms in a bacterium, assuming the average mass of an atom is…

A: The mass of bacterium is of the order of 10-15 kg while the mass of hydrogen atom is of the order of…

Q: Harvard Bridge, which connects MIT with its fraternities across the Charles River, has a length of…

A:

Q: A cell membrane is 4.81 nm thick. How thick is it in inches?

A: The given dimension is    Now, from unit conversions, we know that

Q: If a snail crawls at a rate of 0.10cm/s what is the rate in miles per hour?

A:

Q: A house is 43.0 ft long and 42.0 ft wide and has 8.0-ft-high ceilings. What is the volume of the…

A: Let l, b, h be the length, width, and height of the house.

Q: Harvard Bridge, which connects MIT with its fraternities across the Charles River, has a length of…

A: From the figure, it can be seen that 212 S is equivalent to 258 W and 212-32 = 180 S is equivalent…

Q: A house is 53.0 ft long and 34 ft wide, and has 8.0-ft-high ceilings. What is the volume of the…

A: Length  "l"= 53 ft . Width.   "b"= 34ft . Height.  "h"= 8ft  formulas  to know  We know 1 ft =…

Q: Check An architect is redesigning a rectangular room on the blueprints of the house. He decides to…

A:

Q: A study fonds that the metabolic rate of mamals is proportional to the mass of the mamal carried to…

A:

Q: A person's blood pressure is measured to be: 115 ± 7 mm Hg. What is its percent uncertainty?…

A: Blood pressure = 115 ± 7 mm Hg. Here,  Percentage uncertainty will be calculated by following…

Q: A wheelchair ramp is to be constructed from level ground up to a doorway 0.54 meters above the…

A:

Q: China's urban population is growing at 2.5% a year, compounding continuously. If there were 13.7…

A: Given Data: The number of people in shanghai in 1996 is, N0=N0=13.7 million The annual rate per year…

Q: The fuel mileage of a certain car is 28mpg (mi/gal). What is it in units of km/L?

A: