20 Express the answer to this multi-step calcu- lation using the appropriate number of sig- nificant figures: Sain 87.95 feet x 0.277 feet + 5.02 feet-1.348 feet 10.0 feet 2518/

Q: (3.20×10^2)(2.72×10^−3) (2.918×10^−3)(57.0)   Above is listed as a fraction   Express your answer…

A: Interpretation -  To express the answer in the correct number of significant figures in the given…

Q: A small beaker was found to have a mass of 27.847 g. A 10.00 mL sample of an unknown liquidwas…

A: Answer :- 1.225 (g.mL-1)  Density of unknown liquid (solution) = 1.225 g.mL-1…

Q: Calculate the pH of each solution.

A: The dissociation reaction is  HClO4 ---> H+ + ClO4-  Hence from 1 mole of HClO4 we will get 1…

Q: Finally, sometimes the desired value does not directly match the units given but is derived from the…

A: Given: The volume of a sheet of metal = 45.5 cm3 Width = 14.8 cm Length = 15.9 cm

Q: Evaluate the expression and report the answer to the proper number of significant figures. log (9.9…

A:

Q: Express the following in SI base units using scientific notation (e.g., 1.45 mm = 1.45 × 10-3 m):…

A: Given : 432 kg

Q: (1.00866 – 1.00716) d. 6.02205 x 1023 9.875 x 102 – 9.803 x 10? x 100 = |(100 is exact) 9.875 x 102…

A: According to the rule for significant digits in addition and subtraction, the number of significant…

Q: Question 1 Give the correct number of significant figures for 2500, 2500. , 0.0043, 0.06050

A: The answer for question 1 is given below. Kindly repost the other question as separate one. 1) To…

Q: A piece of cardboard is 12.0 cm long and 6.3 cm wide. What is the area of this piece of cardboard in…

A: Given,A piece of cardboard is 12.0 cm long and 6.3 cm wide.

Q: A solution is prepared by dissolving 3.57 grams of magnesium bromide, 8.1 grams of ammonium…

A: Total mass of solution is the addition of the masses of solute and solvent (in grams).…

Q: he? stands for a number the student is going to calculate.) in the missing part of this equation.…

A: In this question we need to identify the relationship between the two units and then we will…

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: Perform the following calculation and input the answer expressed to the correct number of…

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: Calculate the density for a solid by volume displacement with a mass of 12.0013 g, initial volume of…

A: Density :   Density is a measure of how compact the mass in a substance or object is. It is defined…

Q: Complete each of the following calculations, and give your answer to the correct number of…

A: Answer:In the given problem we have to perform the fundamental mathematical operations and have to…

Q: Express the quantity 601.8×10−12s601.8×10−12s in ms. Using 4 significant figures

A:

Q: 3. A student is using a 10 mL volumetric pipet to dispense water and wants to test how accurate the…

A: A numerical problem based on uncertainty measurements, which is to be accomplished.

Q: The numerical value for (5.6 x 104) ÷ (7.89 x 102) is equal to, with the proper number of…

A:

Q: An electric current transports 96.0 C of charge in 46.0 minutes. Calculate the size of the electric…

A: Given that,  Charge transport by electric current q = 96.0 C Time t = 46 min   = 46×60 s = 2400 s…

Q: 1)  1892.5 mL (2) Using your result in question (1), determine the mass in grams of 0.50 Gal of ice…

A: In this question, we have to find out the correct answer of given problem by the help of the…

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

A: The solution is as follows :

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: A cyclist rides at an average speed of 26 miles per hour, If she wants to bike 180 km, how long (in…

A: Please find your solution below : Speed is defined as the distance travelled per unit time. In other…

Q: The density of a liquid is 2.30 g/cm³. What is its density in lb/ft³? 1 in = 2.54 cm; 1 lb = 454 g 1…

A: Given, Density of a liquid = 2.30 g/cm3 Density of the liquid = ? lb/ft3 1 in = 2.54 cm 1 lb = 454 g…

Q: B g mL × ( 1³ ) x ( ¹7² ) = ? mol C g Perform the following calculation and round to the correct…

A: The given calculation involves multiplication operation. In the multiplication, the resultant number…

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: 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: A student places 14.8 mL of water in a graduated cylinder.  The mass of the water and the graduated…

A: As the metal pellets are added into the cylinder the volume of the cylinder changes as the metal…

Q: Please answer this question as fast as you can please and tahnk you. I will afterwards write an…

A: To solve this problem we have to use significant figures rules .

Q: Convert 68.4 cm^3 to cubic meters

A: This question is related to unit conversion. Cubic meters and cubic centimeters are the units of…

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

A: The numbers in a given value which are significant to the true value is known as significant…

Q: You measure the distance between to cities to be 42.0 miles. You need to send this data to Brazil…

A: Convert 42.0 miles to km ?

Q: Solve the equation below for x and report the answer to the correct number of significant figures.…

A: The calculations :

Q: Perform the following calculation and give an answer with the collect 50.9 x 0.0211.074 01

A: Significant figures are the number of digits in a value, often a measurement, that contribute to the…