What is the art of making accurate and precise estimates of things in real world?

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

A:

Q: Sammy is 5 feet and 5.3 inches tall. Mark all the true statements below (Hint: use the 'multiply by…

A:

Q: A grocery store sells 5-lb bags of apples. You purchase four bags over the course of a month and…

A:

Q: 3 Given that 1 cm 1 millilitre Convert 508 litres to m3 Answer: 0.508

A: So   1 m3 = 106 cm3  and,  Realtion between liter and millilitre is   1 liter = 103 mili liter

Q: Convert the following: 15.2 in3 to ft3 Express answer with three significant figures

A: Here we are given with 15.2in3 and we have to convert it into ft3

Q: How much longer (percentage) is a one-mile race than a 1500-m race ("the metric mile")? Use the unit…

A:

Q: Name the physical quantity which is measured using meter scale ?

A: Meter scale is a device usee to measure length.

Q: What would be the result of 0.000006 74576 using significant figures

A: In the calculation and measurement, the 'significant figures' plays a very important role.  There…

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 length of a warehouse is measured to be 95.00m. The height of the roof is measured to be…

A: Introduction Given information-          Length of warehouse L= 95.00 m          Height of warehouse…

Q: Convert 150 cm1.5 to an equivalent number of m1.5, given that 100 cm = 1 m   Give your answer to 2…

A: It is given that, 1 cm=10-2 m. It is required to convert 150 cm1.5 into m1.5.

Q: Using dimensional equations, convert(a) 2 wk to microseconds.(b) 38.1 ft/s to kilometers/h.(c) 554…

A: Conversion: 2 weeks to microseconds 38.1 ft/s to km/h 554×m4day×kg to microseconds ft4min.lbm

Q: A distance is expressed as 9792.02 sft. What is the length in international feet? Express your…

A: Given, distance is expressed as 9792.02 sft U.S. survey feet.

Q: What do you think is the effect of significant numbers in the errors of measurement?

A: In this question we have to answer what is the effect of significant numbers in the errors of…

Q: Evaluate the following expression and express the answer in scientific notation rounded to the…

A: 0.03348 m/s / [0.0094099 m + 2.28×10-4 m] = ?

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: How to round off into two  significant figures of 1.(0,00208) 2.(9438) 3.(0.000344)

A:

Q: Convert the following into scientific notation: 4.3

A: The correct answer is 4.3 ×100   Explanation:  In scientific notation, nonzero numbers are written…

Q: Can measurements be accurate but not precise? Justify your answer by citing a specific example.

A: Given: To answer a question. The question is can measurements be accurate but not precise. Give…

Q: How do you decide on a unit of measurement for a physical quantity

A: Unit of a physical quantity is defined as the established standard used for comparison of the given…

Q: The sides of a small rectangular box are measured to be 1.80 ± 0.1 cm, 2.05 ± 0.02 cm, and 3.1 ± 0.1…

A:

Q: The sides of a small rectangular box are measured to be 1.80 + 0.01cm, 2.05 + 0.02 cm and 3.1 + 0.1…

A:

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

A:

Q: What do you think is the importance of scientific notation in writing the magnitude of measurements?

A: Scientific notation are useful for reporting  values properly.

Q: has 5.66700 4 significant figures O 6 significant figures O 3 significant figures O 5 significant…

A:

Q: Q10. The height of a certain hill (in feet) is given by h(x, y) = 10(2xy-3x-4y- 18x + 28y + 12),…

A: Given: h(x, y) = 10(2xy-3x2-4y2-18x+28y+12) The slope at a point 1 mile north and one mile east of…

Q: Perform these operations in scientific notation with the appropriate number of significant figure…

A:

Q: What is the area of a circle of radius 11.87 m ? Express your answer using four significant figures.

A: Given  Radius r1=11.87m r2=4.7m

Q: The Sun, on average, is 93 million miles from the Earth. How many meters is this? Express (a) using…

A: Distance of sun from earth = 93 million miles  A) 1 million = 1,000,000 = 10^6  and 1 mile = 1609.34…

Q: The dimensions of your school ID are given in the table below. Apply the rules for significant…

A: L= 8.5cm, w= 5.4cm

Q: What is the area and uncertainty in area of one side of a rectangular metal slab that has a length…

A: The length of the slab L=21.2±0.3 cm The percentage uncertainty in length is  %L=0.3 21.2×100=1.4%…

Q: Complete the table below on the measurement of come common physical quantities using some laboratory…

A: Some physical quantities are given , we have to find the appropriate instruments to measure them .

Q: Why is the metric system of units considered superior to most other systems of units?

A: Metric system is the internationally accepted standard units. Most of the countries uses metric…

Q: Determine which of the numbers below is a possible order of magnitude estimate of the quantity…

A:

Q: A new unit of measurement for long distances is introduced by superheroes into the scientific…

A: Given:  115 stark = 29 Kent EXACT  This implies ,  1stark = 29/115 Kent.= 0.252173913 Kent  13…

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 ±…

A: Expression for the volume of a rectangular box is V=lbh Substitute V=1.80 cm2.05 cm3.1 cm=11.439…

Q: What is the result of 2.56 ÷ 3.793 written with the correct number of significant figures?

A: Given : Two quantities with values, V1 = 2.56 V2 = 3.793 Required : Sum of the two quantities with…

Q: Why is there a need to know the different steps in scientific method?

A: What is the Scientific Method? The Scientific method is a process with the help of which…

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: A useful and easy-to-remember approximate value for the number of seconds in a year is π *10^7.…

A: Total number of seconds in a minute, nm=60 s. Total number of seconds in an hour, nh=60×60=3600 s.…

Q: 2. Using some or all of the conversion factors, convert the following:  Convert 3.67 x 103 yards…

A: Given value is 3.67×103 yards. Convert it to feet using above given list of conversion factors.…

Q: Name three handy units for measuring length ranging from extremely short to very long. What is their…

A: Name three handy units for measuring length ranging from extremely short to very long. What is their…

Estimate of calculation