Convert 69.3 km into miles , express your answer in scientific notation and significant figures You must show your work and use the following given conversion factors.     1 kilo = 10^3 1 inch = 2.54 cm 12 in = 1 ft. 3 ft = 1 yard 1760 yd = 1 mile

Q: A metal cylinder weighs 49.999 mg. How many pounds (lb.) does it weigh? Use scientific notation to…

A: Given, Mass of cylinder = 49.999mg

Q: Write the numbers in scientific notation. 10991099 1099=1099=       ×10?×10a ?=       0.000950.00095…

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

A: We have to convert the unit from g/cm3 to g/m3.

Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A: We are provided with mass and volume of unknown liquid. First we need to calculate density and then…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: The rule in multiplication and division is that the answer should have the same number of…

Q: d) 90.761 × 104

A:

Q: Jose Altuve is a baseball player who plays for the Houston Astros. An Altuve is equivalent to his…

A: Given,Volume = 30.0 mL1 Altuve = 1.65 m Conversion of the volume from milliliters to a cubic Altuve…

Q: Write the numbers in scientific notation. 1071 1071 = 0.00091 0.00091 = x 10⁰ x 10 am b=

A: By using a scientific notation we can write a very large or very small number easily.

Q: Perform each of the following conversions and report your final answer in scientific notation. 1)…

A: 1) Given, the volume of a cylindrical object = 30.0 m3. We have to find the volume in in3. 2) Given,…

Q: A student performs an experiment to determine the density of a sugar solution. The student obtains…

A: Accuracy is an analytical technique which tells us how close the observed value is to the true…

Q: Lake Superior contains 3.10x10^15 gallons of water. How many cubic meters of water are contained in…

A: Consider the given information is as follows; Volume of water = 3.10×1015 gallons…

Q: the chemist measures the volume of the unknown liquid as  0.515L and the mass of the unknown liquid…

A: GivenMass of unknown liquid = 764 gVolume of unknown liquid = 0.515 L = 515 mL

Q: Perform this calculation by first converting the numbers into scientific notation and then…

A: According to significant figures' rule, there should be no digits in the answer if we multiply one…

Q: A chemistry student needs 90.0 g of carbon tetrachloride for an experiment. By consulting the CRC…

A:

Q: Are numbers below exact or measured numbers?    Number Exact or Measured Number Exact or Measured…

A: The exact number is the number which contain two or three digits after the point . If it is 0 then…

Q: You measure your yard and it comes out to be 2.45 acres. Calculate how many square meters this is by…

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Q: 0.0590×8.10510-2 1.8x10-3

A: The number of significant figures in the product of the calculation is the minimum number of…

Q: How many centimeters are there in one meter? Enter your answer in scientific nototion. For example,…

A: To solve this problem we have to convert the given units.

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

A:

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

A: In chemistry g/mL or g/L is readily used so in order to convert one to other we have to used the…

Q: Using rules for significant figures in calculations, divide 0.39 by the number 5.12. Choose the…

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Q: scientific notation

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Q: Change the following measurement to the appropriate SI unit. The final unit required is shown to the…

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Q: student experimentally determines the density of a metal cube. The edge length of the cube is…

A: Given:Mass = 72.576 gEdge Length = 1.72 cmThe true density of the cube = Percent error is a measure…

Q: Convert the number 0.000127 to scientific notation, then enter the answer using a power of 10.

A: To convert the given number in scientific notation  Given number : 0.000127

Q: Convert 70.2 miles/hour to m/s

A: In unit conversion one unit is changed to another unit by multiplicative conversion factor .

Q: Calculate the mass of 15.5 L of a substance whose density is 1.1 g/mL. Express your answer in grams…

A: Density is defined as the mass of substance divided by the volume of substance.

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.