Which of this is not true? A. All non zero digits are considered significant B. Leading zeroes are considered significant C. Captive zeroes are considered significant D. Trailing zeroes are insignificant if the number doesn't have a decimal point

Q: Q4: Find the fraction that is equivalent to the following repeating decimal 0.576923076923076923 .…

A: The given decimal number is  x = 0.576923076923076923 To find = fraction

Q: A house is 49.0 ft long and 40.0 ft wide and has 8.0-ft-high ceilings. What is the volume of the…

A: Given data: The dimension of the house is, L= 49 ft = 14.93 m W= 40 ft = 12.19 m H = 8 ft = 2.44 m…

Q: Some physical quantity X has the following units: M-9 L-5 T7. Some physical quantity Y has the…

A: We know the unit of each term on both sides of a equation has same. So we shall equate the unit of…

Q: 3. Increased research and discussion have focused on the number of illnesses involving the organism…

A: This is a question from the probability distribution and their theories, its detailed answer will be…

Q: Question No. 1 A physical quantity is measured and its value is found to be equal to nu, where n is…

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Q: Working in a laboratory, you carefully measure 80.00 mL of solution ten times in a row, each time…

A: Here true value = 900.0 ml  Here measured value = (80.00)(10) ml

Q: Still think that unit conversion isn't important? Here is a widely publicized, true story about how…

A: Part (B): Given: The force in the SI unit is 15 N. 1 slug = 14.59 kg, and 1 ft = 0.3048 m.

Q: The length of a table is measured as 99 ±1 cm, 90 t± 0.06 cm and 96 ±0.1 cm by students A, B and C.…

A: length of table, measured by A = 99±1 cm  length of table, measured by B = 90±0.06 cm  length of…

Q: The density (p) of the atmosphere as a function of altitude (A) can be approximated by the model…

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Q: A CD-ROM disk can store approximately 680.0 megabytes of information. If an average word requires…

A: Step1:∙CD‐ROM  store information 680 megabites.∙Average word  require 9 bytes of information.

Q: Indicate to what decimal position readings should be recorded (nearest 0.1, 0.01, etc.)for…

A: Decimal position of reading depends on the precision of the measuring instrument. We know that…

Q: I. Significant Figures Solve the following problems: A. Round off 0.004286 to 3 significant figures.…

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Q: 1. Express the following numbers in scientific notation. a. 827 b. 450020

A: Scientific notations are also referred to as exponential notations. a) 827 can be written in…

Q: REPORT SHEET Conversion Factors and Problem Solving A. Rounding Off 1. Correct? (yes/no) Initial…

A: A) Rounding Off: Initial No. Rounded value Correct Correction 143.63212 144 Yes - 532.800 533…

Q: The table data: 15 1.75 13 1.63 11 1.5 9 1.35 7 1.19 5 1.01 3 0.78 A. Graph these data B. Describe…

A: Graph:

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

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Q: The planet Neptune is in the order of magnitude of 1023 m3. a. what is this in cubic kilometers?…

A: Given, the planet Neptune is in the order of magnitude of V = 1023 m3.

Q: The density of platinum is 21.45 x 103 kg/m3. a. Calculate the volume (in m3/atom) occupied per…

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Q: The sides of a small rectangular box are measured to be (1.90 ± 0.01) cm, (2.00 ± 0.02) cm, and (3.1…

A: Given the measurements with uncertainties:Length (l):  (1.90±0.01) cmBreadth (b): (2.00±0.02)…

Q: The thickness of the numbered pages of a textbook is measured to be 3.75 cm. If the last page of the…

A: thickness  of 860 pages = 3.75 cm   let thickness of one page be t    total thickness = = thickness…

Q: 1. What is the derived unit from the SI base units for the relationship of each pair of quantities?…

A: SI base units are, Mass = kg Length = meter = m Time = seconds = s SI units of given data Mass =…

Q: How many meters are there in 6.50 lyly ? Express your answer using three significant figures.…

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Q: 1.What is physical quantity? A car is moving with the velocity of 30 mihr¹. Convert this value to…

A: 1. Physical quantity is any quantity which describes the physical property of a material or system…

Q: a. A painter uses 4.5 litres of paint to cover a wall with an area of 50 m2. Calculate the…

A: Given: (a) Volume of paint, V=4.5 L Area of wall to paint, A=50 m2   To determine: The average rate…

Q: Still think that unit conversion isn't important? Here is a widely publicized, true story about how…

A:

Q: The speed of sound is 1100 ft/sec at sea level.   a. Express the speed of sound in mi/hr.  b.…

A: Given quantities: speed of sound at sea level = 1100 ft/sec   The following conversion factors are…

Q: 5. The volume of a sphere is given by V =-ar'.A sphere has a radius of 0.2 cm and a mass of 345 µg…

A: radius, r = 0.2 cm = 0.002 m mass, m = 345 ug = 345 x 10-9 kg

Q: Express the answer in standard scientific notation with the appropriate number of significant…

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Q: 2²T Q 0х2 ƏT Ət You know that T is temperature (K) and is the x-coordinate, as the symbol for which…

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Q: density of platinum is 21.45 x 103 kg/m3. a. Calculate the volume (in m3/atom) occ

A: density= mass/volume