A scientist obtains the number 0.045006700 on a calculator. If this number actually has four (4) significant figures, how should it ?be written 0.04501 0.4501 0.0450 0.04500

Q: A student is determining the density of an unknown metal with a mass of 256.0 g. The student…

A: First, the volume of unknown metal is determined as follows,

Q: How many significant figures are in each of these measurements? 93 g, 420210 kg,

A:

Q: How many significant figures are there in each of the following numbers? 0.072 12.649 0.58 114.192

A: Significant figures are the number of digits which is compulsory to give the accurate result of any…

Q: Your calculator gives you the number 1761.2868 as the volume (in cm^ 3) of a box 2.0 ft by 6.5 cm by…

A: When rounding off the result of a multiplication, the number of significant figures in the final…

Q: Assuming all of the numbers are measured quantities, perform the following arithmetic setups and…

A: Significant figures of a number are necessary to indicate quantity of something. It is also known as…

Q: How many significant figures are there in each of the following numbers? 91.00 151900.0 3900.00 7810

A: Given, The set of numbers: 91.00 151900.0 3900.00 7810

Q: How many significant figures are there in each of the following numbers? 59.94 0.03484 921.784…

A: Numbers given :  1)  a)59.7 b)0.09902 c) 0.1545  d) 357.58  2)  a) 59.94  b) 0.03484  c) 921.784  d)…

Q: A student is determining the density of unknown metal with a mass of 627.0 g. The student partially…

A:

Q: Perform the following calculation, reporting your answer to correct number of significant figures:…

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

Q: In which of the following numbers are all the zeroes significant? 104.040 1040 0.1480 200 0.08090

A: The general rules of determining the significant zeroes are: All zeroes to the right of a decimal…

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

A: Given number is, 642,000 g

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

A: The given number is = 9.540×10-7

Q: Write the number of significant figures in the number on the line.           0.0240 ________…

A: We follow the below-assigned rules to find the number of significant figures in any measurement.

Q: Which of the following has exactly four significant figures? 0.0592 0.08206 8.314 5420 5.4 x…

A: Significant figures of a number are the digits which gives a meaningful contribution to the…

Q: Carry out the following mathematical operations, rounding your answers to the correct number of…

A: (0.41 + 124.9)/1.4 × 10-2 = ? = 125.31/1.4 × 10-2 = 125.31/0.014 = 8950.715

Q: Complete the following calculation and express the answer with the correct number of significant…

A: To solve this question, first solve the numerator part and round off answer to least decimal place.…

Q: Round each number to two significant figures. 233.356: 0.002353: 1.005: x10 TOOLS

A: Significant figures of a number in positional notation are digits in the number that are reliable…

Q: A student is determining the density of an unknown metal with a mass of 232.0 g. The student…

A: Given, the mass of unknown metal = 232.0 g Now calculate the volume of unknown metal is determined…

Q: How many significant figures are there in each of the following numbers? 90.59 0.01776 272.5 0.53

A: The significant figures of a given number are those significant digits, which express the meaning…

Q: Which of the following has 3 significant digits? Choose all possible answers. 4.300 x 10-7 m 41.0 mm…

A: Given,The quantities are:4.300 x 10-7 m41.0 nm0.430 pm400. km0.0430 pens

Q: perform the following calculation, reporting your answer to the correct number of significant…

A: Significant figures of a number are  necessary to indicate the quantity of something. It is also…

Q: the Irukandji jellyfish and the brazlian wandering spider are the two most venomous animals in the…

A: Irukandji jellyfish and Brazilian wandering spider are both most venomous animals in the world.Size…

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

A:

Q: An irregularly-shaped piece of iron (Fe) has a mass of 60.0 grams. What is the volume in cm³ of this…

A:

Q: Which of the following are CORRECT regarding significant figures? In your answer, please list the…

A: Significant Figures: These are digits used to express the precision of a quantity. The numbers that…

Q: Part A Compute 2.345 × 4.48697. Round the answer appropriately. Express your answer numerically…

A: By using the rule of significant given above to evaluate the data --

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

A: • All non zero digits are significant.• All zeros between two non zero digits are significant.•…

Q: What answer should be reported, with the correct number of significant figures, for the following…

A: To determine the correct number of significant figures in the answer for the calculation (965.43 x…

Q: Each of these numbers is written in exponential form, but not in proper scientific notation. Write…

A:

Q: A brick of metal has these dimensions:  4.45 in  x 4.08 in x 7.23 in.  It has mass 16.1 kg.  What is…

A: Given: Dimensions of brick = 4.45 in × 4.08 in × 7.23 in And mass of brick = 16.1 Kg = 16100 g…

Q: Write each of the following numbers as “ordinary” decimal numbers.   6.244 x 10^3   9.117 x 10^-2…

A: a) 6.244×103 6244 b) 9.117×10-2 0.09117 c) 8.299×101 82.99

Q: A student is given the following question: "What is the mass of a gold bar that is 7.379 × 10–4 m3…

A: We know,Mass = Density x Volume

Q: An astronomer measures the distance from Earth to a newly-discovered asteroid. The distance is 2.38…

A: • The values provided in the question are:-    i) Distance between earth and newly discovered…

Q: An iceberg has a volume of 8365 ft^3 What is the mass in kilograms of the iceberg? The density of…

A: Density is a physical quantity that can be determined with the help of the mass and volume of the…

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.