Why is it important for scientists to be precise and accurate when measuring?

Q: The dimensions of aluminum foil in a box for sale in supermarkets are 66 2/3 yards by 12 inches. The…

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Q: James was assigned by his teacher to measure the distance from their classroom to the school…

A: Given: Different measurements of distance made by James the from their classroom to the school…

Q: An English ruler is 12 inches long. The length of an English ruler measured in metric units is 30.48…

A: Length of English ruler = 12 inches Length of ruler in metric units = 30.48 cm

Q: If 1 foot = 12 inch and 1 inch = 2.54 cm, how long the distance of 5 foot and 4 inch in centimetre

A: Introduction: Here, foot, inch, and cm are the unit of length. Given: The length of the object is 5…

Q: Write each of the following numbers to 3 significant figures in non-exponential notation. (Do not…

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Q: One cubic centimeter is equal to one milliliter. What does this tell you about the different units…

A: Consider a cube of size A=1 cm of negligible thickness. So the volume of cube is A3 i.e. 13=1 cm3

Q: The consumption of natural gas by a company satisfies the empirical equation V = 1.50t + 0.008 00t2,…

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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: The consumption of natural gas by a company satisfies the empirical equation V = 1.50 t + 0.00800 t2…

A: Given : V = 1.50 t + 0.00800 t2 V is the volume of gas in millions of cubic feet and t is the time…

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: The mass of an electron is (9.11)(10-31) kilogram, and the mass of a proton is (1.67)(10-27)…

A: Mass of the electron, me=9.11×10-31 kg Mass of the proton, mp=1.67×10-27 kg

Q: You saw a posted speed limit at an intersection that is 55 miles per hour (or mph), what is this…

A: Given that :- V=55 mph Hence, following conversion units will be used to convert the given speed to…

Q: Complete the following table

A: Significant Digits are the number of digits that carry meaningful contributions to the resolution of…

Q: In the calculation of the volume of a cube of nominal size, the uncertainty in the measurement of…

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

A: Solution:

Q: Convert 5 x 1010 Megahertz to bits per second. Giving detailed explanations

A: Given Frequency = 5×1010 Megahertz

Q: Assume that there are 100 million passenger cars in the United States and that the average fuel…

A: The average fuel efficiency,

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: A house is advertised as having 1680 square feet under roof. What is the area of this house in…

A: Area = 1680 square feet  To find = Area in square meters

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: A cell biologist measures the width of a cell. The width is 72μm . What is the width in meters?…

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Q: Express the decimal into scientific notation: 47,764 4.8 x 10^-4 4.80 x 10^-4 ○ 4.8 x 10^4 O4.80 x…

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Q: Metric conversions using dimensional analysis meters to centimeters and millimeters Using the…

A: Give that 8.5 is in meter

Q: Calculate the volume of a box in cubic meters, if the sides are: 48 cm, 40 cm, and 25 cm. Your…

A: V = l×b×h

Q: Which lists metric units, in order, from smallest to largest? O a. kilogram, gram, centigram O b.…

A: For the metric units the increasing manner arrangement is...…

Q: A metric ton is 1000 kg, and a British ton is 2000 lb. Which has the greater weight? By how much in…

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Q: Princess measure the dimension of the wood work that she is working on. Its length is 45 inches and…

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Q: If a body has a mass of 20 g and a volume of 5 cm3 , what is its density ?

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Q: Perform the following calculation. Supply your answer with the correct numerical value and amount of…

A: Any number raised to zero is just one. Therefore, 100 = 1 So our equation reduces to  1.060×100 ×…

Q: Trial Measurement (in centimeters) 3.0 3.1 3.1 2.9 3.2 3

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Q: What is the volume of a box that measures 55.0 cm by 30.0 cm by 45.0 cm

A: given dimension of box length (l)= 55.0 cm  breadth (b) = 30.0 cm  height (h)= 45.0 cm where volume…

Q: In physics, we have the formula ρ = m/v where ρ is density, m is mass, and v is volume. Suppose an…

A: Note: The rate of increase of a physical quantity would be taken as the positive and the rate of…

Q: What is the relationship between the accuracy and uncertainty of a measurement?

A: The accuracy and uncertainty are inversely proportional to each other. If the uncertainty is less…

Q: In the figure below, what is the ratio Ibat/l1? 2R Ibat

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Q: A cylindrical rod is 6.21 m long and has a diameter of 1./7 in. Calculate its volume, V, in cubic…

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Q: The average time it takes a computer to execute one instruction is measured in picoseconds. There…

A: One hour is equal to 3600 seconds. here given that, There are 3.6×101⁵ picoseconds per hour

Q: Suppose your speedometer has an uncertainty of 4.5 km/h at a speed of 92 km/h. If the speedometer…

A: Speed (u) = 92 kmhr Uncertainty = 4.5 kmhrPercentage uncertainty = 4.5×10092= 4.89%

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

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Q: How do scientists define length in terms of meters?

A: To Define Length in terms of meters

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: For each of the following pieces of glassware, provide sample measurement and discuss the number of…

A: For glassware in figure (a) , the least count is 1 unit. So, the uncertainty is +1 or -1. And number…

Q: What limitations are observed in making measurements using meter stick

A: A meter stick is a measuring tool that measures the length in meters and centimeters.

Q: Write the following numbers in Scientific Notation. a. 0.023 x 10^-3=2.3x10^-5 b. 23.4 x…

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Q: When you use a micrometer to measure the diameter of a rod, you obtained a reading 5.17 mm. If you…

A: Actual diameter is,

Q: Using formulas found in Table 1, make the following conversions between the International System…

A: To determine: The conversions between the international system and English system of measurements…

Q: The sides of a small rectangular box are measured to be 1.80 + 0.01 cm, 2.05 ± 0.02 cm, and 3.1 t…

A: Given data: Length l= 1.8 cm Uncertainty in length ∆l Breadth, b = 2.05 cm Uncertainty  in breadth,…

Q: Formula for density is D=m/v If an object with a mass of 35 grams has a volume of 70cm cubed and its…

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Q: Change from standard form to scientific notation: 0.004078 4.078 x 10-3 4.078 x 103 40.78 x 10-4…

A: Using rule of conversion of decimal places into power of 10 (scientific notation rule)

Q: Rank the following numbers in order of increasing number of significant figures. Indicate ties where…

A: A = 1 has one significant figure B = 1001 has four significant figures C = 10.01 has four…