2550 × 115 =?

Q: The correct decimal representation of 6.453 * 103 is?

A: Scientific notation: Scientific notation is a way of expressing numbers to be conveniently written…

Q: Carry out the following operations and express the answers with the appropriate number of…

A: Given, Express the answers with the appropriate number of significant figures : (a). 14.3505 + 2.65…

Q: If the radius of the sun is 7.001×105  km, what is the average density of the sun in units of grams…

A: Density can be calculated as: Density=MassVolume

Q: Platinum’s density = 22.5g/ cm3.  What is the mass of 1.25 in3 of Platinum?

A:

Q: aluminum has a density of 2.70g/cm3. what is the mass of a rectangle block of aluminum measuring…

A: The density of a substance is the ratio of its mass to volume. It is labelled in equation (1) in…

Q: Calculate to the correct number of significant figures. (24.6681 x 2.38) + 332.58

A: Rules for performing addition and subtraction: Addition or subtraction is performed in a general…

Q: A cube of plastic 1.3x10^-5 km on a side has a mass of 2.1 g. What is its density in g/cm^3

A: Given: Side of Cube = 1.3×10-5 km Mass of cube = 2.1 g

Q: 1.16 × 10¬8 s to nanoseconds Express your answer to three significant figures and include the…

A: Given, To convert 1.16 × 10-8 s to nanoseconds

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

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

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: what is 1.0x10^-5 equal?

A: This is simple mathematics. We can easily solve by using concept of 10 to the power (-ve) is written…

Q: What is the density of lithium metal in g/cm3, if a cube measuring 0.82 cm x 1.45 cm x 1.25 cm has a…

A: Mass of a cube = 0.794 g  According to given values ,Let's assume :  Length of a cube = 0.82 cm…

Q: If an object as a density of 4.00 g/cm^3, what is its density in units of kg/m^3?

A: Given : density = 4.00 g/cm3

Q: Perform the following calculations and express each answer to the correct number of significant…

A: The solution is as follows :

Q: How many significant figures does the difference 218.7201 – 218.63 contain?

A: For calculation of difference between two numbers, answer should be in least number of decimal…

Q: Answering to the correct number of significant figures, what is 5.80 x 120? A) 696 B) 700 C) 7.0 x…

A: The given equation is, 5.80 × 120 = 696

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

A: Given   How many significant figures are there in each number below? (a) 1.903 0 (b) 0.039 10 (c)…

Q: For the following division problem: (6.626 x 10–30) / (9.63 x 107) = ? What is the answer reported…

A: When we divide  the two same numbers  having  coefficients,  like 10-2/10-4 than here we just…

Q: Aluminum has a density of 2.70 g/cm3. What is the mass of a rectangular block of aluminum measuring…

A: Density of substance is defined as mass of the substance per unit volume. density (d) = mass /…

Q: The number 7.134×10^7in normal decimal notation is?

A: Basic rules to convert scientific notation into decimal notation :If the exponent is positive, move…

Q: A cube of plastic 1.3x10^-5 km on a side has a mass of 2.1g. What is it’s density in g/cm^3

A: Concept introduction: Density of substance is equal to the ratio of mass to volume. Formula: Unit…

Q: 4.76 pm = how many micrometers

A: Unit conversion:Unit is refer to the term of measurable quantity. There are so many units are used…

Q: Consider the following mathematical expression: (2.4 × 10³) (2.24 × (2.54)³) 0.7217 x =X The answer…

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

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

A: Step : 1               Find the significant figures.

Q: Do the following multiplication and division calculations. Give a final answer with the correct…

A: final answer with the correct number of significant figures and the correct units. Units can cancel…

Q: The Hope diamond is the world's largest blue diamond ith a weight of 44.4 carats. A carat is defined…

A: In the given problem weight of gold is 44.4 carats. Weight of 1 carat gold = 2.0 ×102 mg To find :-…

Q: How many significant figures are in 3.05481727x10^4?

A: There are certain rules for finding significant figures. 1) Digits other than zero are always…

Q: Density = Mass /volume                63.7410g/…

A: Yes density is the ratio of mass and volume  Mass can be taken in grams , kilograms  and milligrams…

Q: Unit Conversion: 3.05 × 10−1 s to ms

A: An unit is a standard for making measurements and more importantly compare them.

Q: Lithium is the least dense metal known (density=0.534 g/cm3).  What is the volume occupied by 1.60 *…

A: Given,Mass of the lithium = 1.60×103 gDensity = 0.534 g/cm3

Q: Osmium has a density of 22.6 g/cm3. The mass of a block of osmium that measures 1.01 cm x 0.233 cm x…

A:

Q: 2850×184=?

A: Given :-  2850 × 184 = ?  To be calculated :-  Result of above multiplication

Q: A cube of plastic 1.3 × 10−5 km on a side has a mass of 2.1 g. What is its density in g/cm3?

A: