How many significant figures are there in each number below? (a) 1.903 0 (b) 0.039 10 (c) 1.40 X 104

Q: How do I find the scientific notation of 82,000,000 s if the number of signtificant figures is 4?

A: The number given is 82,000,000 s And number of significant figures required in final answer is 4.

Q: The speed of light in a vacuum is 2.998X10⁸m/s. What is itsspeed in (a) km/h; (b) mi/min?

A: Speed of light- This phenomenon is is proposed by Einstein in 1905. It is denoted by ‘c’. It is…

Q: Use decimal notation to express 4.22 mg in grams?

A: When we convert grams to milligrams, the conversion factor 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: How many significant figures should there be in the answer to the following problem?…

A:

Q: When the calculation (1.0453x10-1.4) x 1.604 is carried out, the number of significant figures in…

A:

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: Assigning Appropriate Significant FiguresThe state of Colorado is listed in a road atlas as having a…

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

Q: Calculate (2.075 x 0.585)/(8.42 x 0.0045) Correct the answer by rounding off the number to the…

A: Significant Numbers are those numbers or digits in the given number which are used in mathematical…

Q: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

A: The equation is as follows: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

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: Consider the equation: (9 x 10^-38) x (9.00 x 10^3) x 35.3= Y  how many significant figures should Y…

A: The significant figures can be defined as the digits in the given number that carry some meaning and…

Q: V=(4/3)(pi)(r)^3, where r=19.136. What is the answer in correct significant figures?

A: The digits having a meaning in a given number are called as significant figures.

Q: Which answer represents the measurement 0.00569 g rounded to two significant figures?

A: Rules to rounding significant figures :- 1) " If the rightmost digit to be removed is  >5 then…

Q: Which of the following are exact numbers? a. There are 100 cm in 1 m. b. One meter equals 1.094…

A: a is the exact numbers  b is not exact it is approximate value

Q: How many significant figures are in the number 9.540x107?

A: The given number is = 9.540×10-7

Q: How many significant figures are there in the following numbers? (a)0.00740 (b)609.20 (c)9.005 x…

A: To determine the number of significant figures in a number use the following three rules- 1-Nan-…

Q: How many siginificant figures in 3.14x10^23?

A: Solution Significant figures ar any non-zero digits or at bay zeros. they are doing not embrace…

Q: What is the result of the following calculation to the appropriate number of significant figures?…

A: Given :-  16.011 cm × 12.35 cm × 14.762 cm  To determine :-  Answer of the given multiplication…

Q: Using significant figure rules, the answer of 213 miles / 4.2 hours is equal to which of the…

A: In Multiplication and Division, The LEAST number of significant figures in any number of the problem…

Q: How many significant figures are in the number 9.80 x 104?

A: Significant figures: The number that makes it easy to read or write in simple form is called…

Q: otes: # of significant figures in the ans [NAOH] = 2.0 x 10³ M.

A: 6) [OH-] = 3.5×10-2 [H3O+] = 1.0×10-14/3.5×10-2    = 2.9×10-13 M 7) [NaOH] = 2.0×10-3 M As, NaOH is…

Q: The number 1.00430 has ________ significant figures.

A: The given number is 1.00430

Q: If amigrating loon flies at an average speed of 14 m/s, what is itsaverage speed in mi/hr?

A: The unit conversion has an important role in the calculation of numerical and some standard data.…

Q: The surface area of the earth is approximately (1.92x10^8) square miles. What is this area in square…

A: we know that,  1 square mile = 2.59  square km

Q: An object is determined to have a mass of 0.00180 g . How many significant figures are there in this…

A: Significant figures – calculation rules are as follows,Significant figure is a non-zero number…

Q: How many significant figures are there in 463.8052? (Give a numerical answer)

A:

Q: Round the following number to four significant figures and express the result in standard…

A: The value given is 229.613.

Q: At what temperature would 250 mL of water boil? 1000 mL? Is the boiling point an intensive or…

A: The temperature at which a substance in liquid state changes into a gas is called boiling point. The…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: What conversion factors are needed to convert:a. nanometers to meters?b. density given in g/c m 3 to…

A: a. One nanometer is equal to 10-9 meters. So, the conversion factor is 10-9m.

Q: If a bullet travels at 945.0 m/s , what is its speed in miles per hour?

A: for the conversion of units m/s to mi/hr use the following data 1mile = 1609.344 m 1hr = 60 min = 60…

Q: 2. The number of significant figures in the number 2101.010100 is

A: 2101.010100 To find out the significant figures of given value.

Q: The average speed of the International Space Station as it orbits the earth is 7710 m/s.  What is…

A: Distance can be measured in different units such as meters , centimeters , kilometers , miles  Some…

Q: How can the number 642,000 g be written to indicate that there are 4 significant figures?

A: The number 642000 has three significant figures.

Q: The mass of fuel in a jet must be calculated before each flight to ensure that the jet is not too…

A: It is given that;Volume of A 747 jet fuel = 173,231 L      Density of the jet fuel = 0.768 g/cm3 It…

Q: How many significant figures are in the number 9.540x10*7?

A: Significant figures in 9.540*10^-7  = 4(four significant figures are there) . 0.00000009540 =…

Q: Express the following numbers in fixed notation (e.g., 1.23 x 102- 123), and give the number of…

A: Given,  Express the following number in fixed notation and give number of significant figures in…

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

A: Step : 1               Find the significant figures.

Q: How many significant figures are in the number 1360?

A: Given number is, 1360

Q: When expressed using an appropriate prefix, the quantity 3.77 × 10–2 L should be written as (write…

A:

Q: How many significant figures are there in 0.1010 mm?

A: The significant figures refer to particular digits in a number. According to the measurement rule,…

Q: How many significant figures are in the number 8,600,000?

A: Significant figures are meaningful digits which are known with certainty. The number of significant…

Q: How many significant figures should be retained in the result of the following calculation? 12.00000…

A: The given expression has been simplified below.

Q: How many significant figures should be retained in the result of the following calculation? Co…

A: Given information,  12.00000 × 0.9893 + 13.00335 × 0.0107

Q: When subtracting 61.45 g from 242.6 g, which value determines the number of significant figures in…

A: Significant figures are the value of a number of digits that add accuracy to the value. There are…

Q: How many significant figures are in the number 0.0032?

A:

Q: the mass of fuel in an airplane must be determined before takeoff. A jet contains 11505L of fuel…

A: The mass per unit volume of a substance is known as the density of the substance. The density of 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.