How many significant figures does 2,840,000 kg have?

Q: How many significant figures are in each number?

A: Given :- A)  0.1 s B)  108,700 km  To calculate :-  Number of significant figures in each number

Q: 4.30 ft converted into centimeters would be?

A: 1 foot have 30.48 centimeters So, 4.30 foot have 131.064 So multiplied 4×30.48= 131.064 Answer is…

Q: How many significant figures are in the number 0.0062500?

A: The meaningful digits which are known with certainty plus one digit which is estimated or uncertain…

Q: The number 18.01937 rounded to 3 significant figures is

A: Rounding a number to three significant figures in the same way ,rounding to three decimal places.…

Q: A cube of 1.2 inches on the side has a mass of 36 grams. What is the density in g/mL?

A: Given: Side of the cube= 1.2 inches          Mass of the cube= 36 g To Calculate: Density of the…

Q: The density of aluminum is 2.70 g/cm3. Calculate its density in kg/m3.

A: Given, the density of aluminium is 2.70 g/cm3.Conversion of g/cm3 to kg/m3 can be done as follows:

Q: Linseed oil has a density of 0.929 g/mL. How many mL are in 16g of the oil?

A:

Q: 4. How many significant figures are present in the measurement 0.053402 mm? How many are in…

A: According to the rule of significant figure- If value is less than 1 then digit count start from…

Q: Why does 25000 only contain 2 significant figures?

A: Given that a number 25000 25000 only contains two significant figures.

Q: The number 31.00065 rounded to 4 significant figures is

A:

Q: How much density can a Nickel have it weighs 480grams and has a volume of 12cm3?

A:

Q: When 0.0005760 is written in proper scientific notation with the correct number of significant…

A: Rules for determining significant figures,All non-zero digits are significantThe zeros placed to the…

Q: To the correct number of significant figures calculate log(4.399x104).

A: Significant figures are the digits of a number that have meaning in terms of accuracy or precision.

Q: A spherical object has a specific gravity of 4.05 and a radius of 1.16 cm. After this object is…

A:

Q: Define significant figures with examples?

A: In chemistry due to the uncertainty in measurements, to get a real data precision and accuracy is…

Q: How manny aspirin tables can be made from 100.0g of asprine, if each tablet contains 5.00 grains of…

A: Numbers of aspirin tablets that can be made from 100.0g of aspirin are to be calculated, if each…

Q: how many significant figures are in 50 000.00 L

A: Rules of significant figures: Any non-zero number is significant. Zeros between significant numbers…

Q: A material has a mass of 7.0980E1 grams and a volume of 4.401E1 milliliters. What is the density in…

A:

Q: What is the mass (in kg) of a substance that has a density of 2.27 g/mL and a volume of 64.6 mL?

A: Given,  Density = 2.27 g/mL  volume = 64.6 mL

Q: how many significant figures does 40.005 760  have

A: The question is based on concept of significant figures. we have to identify number of significant…

Q: When 11.4 and 60.9 are divided, the answer should have      Significant figures

A: Significant figures are the number of digits in a value, often a measurement, that contribute to the…

Q: A sample of crude oil has a density of 0.87 g/mL. What volume in liters does a 3.6-kg sample of this…

A:

Q: What is the volume of 3.0 grams of lead which has a density of 11.4 g/mL?

A: Given information,    Mass of Lead = 3.0 grams    Density = 11.4 g/mL

Q: A cube of plastic 1.3x10-5 km on a side has a mass of 2.1g. What is its density in g/cm3?

A: Given  mass of cube = 2.1 g side of cube = 1.3 x 10-5 km = 1.3 x 10-5 x 105 cm = 1.3 cm Volume of…

Q: A sample that has a mass of about 25 g is weighed on a balance that has a percentage of 0.0001 g.…

A:

Q: What is the density in g/mL of gasoline if 0.066 kg occupies 100 mL?

A: density = mass/volume  mass = density × volume

Q: Express (7.64x10^5) g in SI base units using scientific notation.

A: For the base quantities like temperature, mass, length, time and etc, the international system of…

Q: How many minutes and hours are 20 kiloseconds?

A: Given  Time = 20 kilosecond  Time in minutes = ? Time in hours    = ?

Q: How many significant figures does 3.005 have?

A: Digits which are responsible for contributing the degree of accuracy of a value are called…

Q: converting 64400 to scientific notation with 3 significant figures

A: Converting a number to its scientific notationHere we have to convert 64400 to its scientific…

Q: of significant figures in

A:

Q: The number 621.0870 rounded to 4 significant figures is

A: To round the number 621.0870 to 4 significant figures.

Q: 10.6 mL to mg if the density is 1.009 g/cm3

A: Given, Volume (V) = 10.6 mL Density (D) = 1.009 g/cm3 Mass (M) = ? We know, Volume (V) = Mass (M) /…

Q: What is the density of cooking oil in g/mL?

A: At room temperature generally, the density of cooking oil is considered as  910 g/L.  So,    1 L =…

Q: What is the density of a ball with a mass of 561 g and a radius of 5.00 cm?

A: Given;

Q: How many significant figures does the number 5.0000 have

A: Significant figures can be defined as the number of required digits to show the required level of…

Q: The number 4861.850 rounded to 3 significant figures is

A: If any number give in more digit and we have to write in less significant figures use power method…

Q: Round the value 44.981 g to three significant figures.

A: Rounding significunt rules:  Non-zero digits are always significant Zeros between non-zero digits…

Q: How many significant figures does 31.03 g + 12 mg has?

A: First convert 12mg into g by multipy 10-3 So 12mg=0.012g 31.03+0.012= 31.042 So minimum 2…

Q: Make the following conversions. Report answer to the proper number of significant figures. 1.25 in…

A: Following is the conversion of 1.25 inch to feet

Q: The number 935.0022 rounded to 5 significant figures is

A: The number 935.0022 has to be  rounded to 5 significant figures.

Q: Convert 3600. Mg into ng(give the answer in the correct number of significant figures)

A: Here we need to convert Milligram into Nanogram.Milligram= It is a unit used for measuring amount of…

Q: Why does 120 only contain 2 significant figures?

A: We can understand this by knowing the rules for writing significant figures.

Q: A sample that has a mass of about 25 g is weighed on a balance that has a precisionof 0.001 g. How…

A: The mass of sample with a precision of 0.001 g is in between 24.999 g and 25.001 g

Q: How many significant figures are there in 0.003840? ( give a numerical answer)

A: Introduction- Significant figures are the digits that have meaning and are non-zero integers. To…

Q: How many significant figures does the number 1.030x10^7 have?

A: Answer

Q: 25.0 ml of a liquid with a density of 1.20 g/mL weighs,

A: given, volume = 25 ml, density = 1.20 gm/ml As we know that, density = mass / volume,

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.