pelectric effect? Why does the photoelectric effect exhibit a hold frequency but not a time lag?

Q: convert 9284 meters to miles using dimensional analysis.

A:

Q: When a very large number is written in scientific notation shut the exponent be a positive or a…

A: Scientific notation: Scientific notation is a way of expressing numbers in decimal form with…

Q: How does scientific notation differ from ordinary notation?

A: A notation is a system of symbols, characters, and abbreviated expressions. It is used in scientific…

Q: Use the References to access important values if needed for this question. The number 4.75721…

A: The rounded to 3,4 and 5 significant number according to given number are given below.

Q: Which of the following is (are) WRONG? O a. They are all correct O b. Akilogram - a fundamental Sl…

A: Matter :-  Any thing which has some mass and some occupy volume is said to be matter. Matter can be…

Q: Convert -46.2°C to Kelvin.

A:

Q: cosditioning density volume by displacement weighing by difference

A:

Q: Round 329.2258 to 2 significant digits

A: Significant figures are meaningful digits which are known with certainty. There are certain rules…

Q: 113.4 gallons to deciliters

A: A conversion factor is a ratio that expresses how many of one unit is equal to another unit.

Q: The SI unit for volume is the

A: Check the SI unit of a volume from the unit data and write it in the box.

Q: How do I find the minimum density range?

A: Range represents the difference between the highest value of a data set and the lowest value of a…

Q: What is the approximate diameter of a 5¢ nickel coin?

A: Given: 5¢ nickel coin

Q: How is the metric unit of L defined?

A: The SI unit is known as the International system of units known for its standard method for…

Q: What is the SlI unit for mass? O kilogram O pound O gram

A: • We need to determine the SI unit of mass

Q: The number 3332.914 rounded to 3 significant figures is

A: Answer is given below

Q: if the volume is 48 L and the mass is 36 Kg what is the density

A: Given,Volume = 48LMass = 36kg

Q: I can only have 2 significant digits make sure you are reading the full question.

A: The calculation is correct. The answer is to be rounded to 2 significant digits

Q: Rounded 17,997 to tow decimal places

A: Scientific notation: Scientific notation is a way of expressing numbers in decimal form with…

Q: dimensional analysis: 2feet 9inches to meters

A: The given number is = 2 feet 9 inches The value in meter is =?

Q: Convert 48 mile into nm

A:

Q: A scientific theory is a tentative explanation for an observation.   Question 1 options:   True…

A: Significant numbers rule -  During addition or subtraction, the answer is rounded to least number of…

Q: A meter is about an/a [A] inch [B] foot [C] yard [D] mile * O A C D

A:

Q: Convert 460.3 ml to quarts. Express your answer with the correct number of significant digits.

A: Since we know that 1 milliliter (ml) = 0.001056688 quart (qt). Where ,  Milliliter (ml ) is a unit…

Q: What is the proper scientific notation of the value 0.003280?    Group of answer choices 3.28 x 10-3…

A: What is the proper scientific notation of the value 0.003280?

Q: What fraction or multiple of the meter might be the most appropriate measurement for the distance…

A: . step1: Given: distance between Chicago and Saint Louis. Find out:hat fraction or multiple of the…

Q: What is dimensional analysis?

A: Dimensional analysis is the process of analysing relationships between different physical…

Q: The amount of significant figures is incorect pls solve again!

A: We would use energy and its relation with wavelength to calculate wavelength.

Q: 4398 mg to kilograms

A: We are asked to convert 4398 mg to kilograms (kg)

Q: convert 0.386g to milligrams. use only metric system

A: Convert 0.386g to mg ?

Q: The number 114.4335 rounded to 5 significant figures is

A: All non zero numbers are consider as significant figures.

Q: How many picometers are in 100. yards?

A: Yards and picometers are units of length. Actually ‘meter (m)’ is considered as the SI unit of…

Q: If volume is 320mL and density is 13.5mL what is the mass?

A:

Q: Definition of density

A: The mass of the substance per unit volume is defined as the density of the substance. The symbol…

Q: The number 37.84637 rounded to 5 significant figures is When 12.9 is subtracted from 64.657, the…

A: we have to complete the given statements

Q: 29.48 meters to kilometers

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: Perfome the following conversions, do not use scientific notation. a) 45743 cm to km b)…

A: a) Since 1 km = 1000 m  and 1 m = 100 cm  hence 1 km= 100000 cm Hence length in km = length in cm /…

Q: Place the following numbers in scientific nontstion, rounded to 3 significant digits…

A: Scientific notation is nothing but exponential notation of a number in which a number is represented…

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.