Express the following numbers in scientific notation:(a) 0.000000027, (b) 356, (c) 47,764, (d) 0.096.

Q: The population density of worms in a particular field is 34 worms per cubic meter of soil. How many…

A: The volume of soil is calculated as,

Q: 4. A 25-mL pipet sample of an alcohol is found to weigh 20.71 g. What would be the mass of 35.25 mL…

A: We know that density = mass / volume Given that Volume of alcohol = 25 mL mass of alcohol = 20.71 g…

Q: Express the results of the following calculation in scientific notation 0.0121 cm to the power of 2…

A: Scientific notation is a method of writing a very large and small numbers.

Q: Express the numbers 0.00087 and 54,200,000 in scientific notation.

A: Given numbers,     0.00087 and 54,200,000

Q: A gallon (3.78L) of latex paint can cover 385 ft2 of the surface of a wall. What is the average…

A: Since, 1 L = 103 cm3∴3.78 L = 3.78 x 103 cm3Since 1 ft2 = 929 cm2∴ 385 ft2 = (385x929) cm2…

Q: The engine in a boat has a displacement of 350 inches3? what is the displacement of this engine in…

A: Following are the appropriate answers of the given questions.

Q: Convert 2.05×10−3 m2.05×10−3 m to the equivalent length in nanometers.

A: The solution is given below -

Q: The average radius of a molecule of lysozyme, an enzyme intears, is 1430 pm. What is its radius in…

A: Length can be measured in different units such as meter, kilometer, picometer, centimeter, nanometer…

Q: A homogeneous mixture was prepared by mixing 0.90 g A, 105.7 g B and 48.17 g C. The volume is found…

A: Given, Volume of mixture = 56.6 cm3 Mass of A = 0.90 g Mass of B = 105 .7 g Mass of C = 48.17 g

Q: What is the speed of light in miles per second? Express your answer in scientific notation. The…

A: Given: The speed of light in m/s is 299,792,458 m/ s.

Q: If the density of gold is 19.3 g/mL, what is its specific gravity?

A: Specific gravity:  Specific gravity can be defined as the ratio of density of a substance to the…

Q: Express the number 554,780,000,040 in scientific notation to three significant figures.

A:

Q: The average annual rainfall on Mount Waialeale on Kauai, Hawaii is 460.1 inches What is this average…

A: The average annual rainfall on mount waialeale on kauai, Hawaii is 460.1 inches. We know one inch of…

Q: The diameter of a red blood cell is about 3 × 10−4 in. What is its diameter in centimeters?

A: Red blood cell (RBC) is the component of blood. It helps in the transport of oxygen to the body…

Q: The state of Colorado is listed in a road atlas as having a population of 5,546,574 and an area of…

A: Given information,        Population in Colorado is 5,546,574         Area of Colorado is 104,091…

Q: How many minutes will it take to walk 90.6 feet at a rate of 40.0 meters per minute

A:

Q: How would I write 97,820 in standard scientific notation?

A: Scientific notations are used to express the very large or very small numbers in more convenient…

Q: The average radius of a molecule of lysozyme, an enzyme in tears, is 1.430 nm. What is its radius in…

A:

Q: In the winter, a heated home in the Northeast might be maintained at a temperature of 63 °F. What is…

A: Given  Temperature  = 63 °F  Temperature in Celsius and Kelvin = ?

Q: there was a change in temperature, it was recorded as 55 kelvins. Convert this change in temperature…

A: Solution - According to the question - Given - (55K − 273.15) × 9/5 + 32 =  -360.7°F

Q: The density (d) of a substance is an intensive property that is defined as the ratio of its mass (m)…

A: Extensive properties are those that depend on the amount of matter present in the substance.…

Q: what fraction of an hour is 900 seconds using dimensional analysis

A: what fraction of an hour is 900 seconds using dimensional analysis

Q: Perform the following operation and express the answer in scientific notation. 5.4x103 x 1.2x107…

A:

Q: Convert 46.09cm^2 (centimeters squared) to ft^2(square feet) using dimensional analysis.

A:

Q: You have a 40-lb baggage limit for a transatlantic flight. When your baggage is put on the scale,…

A:

Q: The egg whites from four "large" eggs occupy a volume of 112mL. The mass of the egg whites from…

A: The total mass and total volume occupied by the egg whites from the four large eggs are given.

Q: A material will float on the surface of a liquid if the material has a density less than that of the…

A: Given: Density of water = 1.0 g/mL Volume = 1.2 × 104 in3 Mass = 3.5lb

Q: 0,0056542  write in scientific notation to two significant figures

A: The number given is 0.0056542.

Q: If a nanometer is one billionth of a meter (0.000 000 001 m), how many nanometers are there in one…

A:

Q: Convert 2.11×10−3 m2.11×10−3 m to the equivalent length in nanometers.

A: In the given question , we need to convert the unit of length given in meter (m) to nanometers (nm).…

Q: 4. Convert 574,780 microliters into liters.

A: A liter is a unit of volume with SI unit of the volume being m3.

Q: Express the following number in a scientific notation: 0.000010024uL

A: Introduction In scientific notation, a particular number is expressed in a way as follows: p x 10n…

Q: The average radius of a molecule of lysozyme, an enzyme in tears, is 1430. pm. What is its radius in…

A: Length can be measured in different units such as meter, kilometer, picometer, centimeter, nanometer…

Q: Which among the properties are measurable? Which ones are not?

A: Measurable properties are those properties that can be measured using scientific tools.

Q: "If lemons cost $2.49 per pound and Alice makes $32.00 per hour, how many hours must Alice work to…

A: Often while calculating, there is a need to convert units from one system to another system. The…

Q: The mass of a sample is 550 kilograms. Expresses that mass in milligrams? Express your answer in…

A: Convert kilograms to milligram

Q: The world record for the hundred meter dash is 9.58 s. What is the corresponding average speed in…

A:

Q: How many significant figures are in the number 0.0009781?

A: Step : 1               Find the significant figures.

Q: If the sum of twice a number and -3 is multiplied by 4, the answer is 28. What is the number?

A: Let the unknown number be x. The twice of the number= 2x

Q: A room has a width of 14.1 feet, a length of 15.5 feet, and a ceiling height of 12.0 ft. If the…

A:

Q: . Suppose you measure the weight of a metal to be 160.5 g and then you place it in a graduated…

A: Mass of metal = 160.5g  Volume of solid metal and liquid = 248.2ml Volume of (metal + water) =…

Q: How would I write 1/1033 in standard scientific notation?

A: Scientific notation:It is a method used to write the large numbers or very small numbers.  The…

Q: Convert 7.57×10−3 m7.57×10−3 m to the equivalent length in nanometers

A: Given,7.57×10−3

Q: What is the speed of light in miles per hour? Express your answer in scientific notation. The speed…

A: The speed of light = 299,792,458 m/ s

Q: Which of the following is a physical property?     Which of the following items is a pure…

A: Interpretation-  There are too many questions which are given as above mentioned so just answer of…

Q: How to convert 3.09×10−3 m3.09×10−3 m to the equivalent length in nanometers?

A: Length is measure in diffrent units  Some Basic s units are followings  1) Meter=It  is fundamental…

Q: State the nomenclature for prefixes used to examine large and small measurements in scientific…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.