
Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures?

Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures?

Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures? Thank You!

Add (9.3x10^3) + (9.3x10^4) + (0.011x10^6) using correct significant figures?

A capacitor has a charge of 5 µC when charged by a potential difference of 1.5 V. What is the capacitance of the capacitor? 3.3x10^6 F 3.3x10^6 F 7.5x10^6 F 0.3x10^6 F I would think the answer is 3.3X10^F, or choice B


Suppose a rocket ship in deep space moves with constant acceleration equal to 9.8m/s^2., which gives the illusion of normal gravity duing flight. a)If it starts from rest, how long will it take to acquire a speed onetenth that of light, which travels at

Calculate the molar solubility of MX2, if the Ksp=3.3x10^8 i already asked this but im confused about one of the steps. Ksp = (x)(2x)^2 = 4x^3 = 3.3X10^8 x = solubility = 0.00202M. but i don't understand do i substitute the x in 4x^3 3.3X10^8 and then

If the solubility of Ag2CO3 is 1.3x10^4 mol/L, what is its Ksp? (the answer is said to be 8.8x10^12) Ag2CO3(s) > 2 Ag+ (ag) + CO3 2 Ksp= [Ag+]^2 [CO3^2] = [1.3x10^4]^2[1.3x10^4] =2.197x10^12 thats what I did, but I found that if you first

Name the property that justifies each step. [(2x100)+(3x10)]+[(1x100)+(5x10)] = (2x100)=[(3x10)+(1x100)]+(5x10) I think this is Commutative = (2x100)+[(1x100)+(3x10)]+(5x10) I think this is Distributive property =[(2x100)+(1x100)]+[(3x10)+(5x10)] I think

Find the frequency if given energy 6.3x10^19 Do I use the formula E=hf? 6.3x10^19=6.626x10^34(f) Then do I divide E and H?

Find the speed of light in flint glass if the index of refraction is n=1.66. How much slower in percent of speed of light in a vacuum c does the light move in each of this medium? v=c/n v=3x10^8m/s/1.66 =1.8x10^8m/s For the percent of speed of light in a

Find x 1) 6log(down)10 x=1.6 2) e^4x=1.943 3) 1.3x10^4 x=4.7/x 6.3x10^3 4) 6lnx=1.6 5) x^2¡Ñ23y^2 = 1.78x10^32¡Ñz please help I really can't solve this problem.

Q:if x= 2x10^5 and y=3x10^3 correct to one significant figure,find the greatest and least possible value of: i)x/y

Q:if x= 2x10^5 and y=3x10^3 correct to one significant figure,find the greatest and least possible value of: i)x/y

A motorcycle with an initial velocity of 7.99x10^0 m/s accelerates for a total of 3.3x10^0 seconds at a rate of 1.51x10^0 m/s2. What is it's velocity, to two significant figures? can anyone show the calculations for this


when lightning strikes you can see it at a speed of 3x10^8m/s. But you hear thunder at about 340m/s in 70 degrees air temperature. a) If you are a mile away from lightning, how long of a delay is there? b) if the delay between the lightning and thunder

The Ksp of PbI2 is 8.7x10^9. Find the solubility of lead(II) iodide on mol/L. a. 1.3x10^3 b. 9.3x10^9 c. 6.6x10^5 d. 1.6x10^3

Determine pH of each solution: 0.20 M KI i don't know how you know if you use.. K+H2O>KOH + H or... I +H2O> HIO +H Im thinking this one... I + H2O > HIO + H 0.20M00 0.20xxx

Copper(I) ions in aqueous solution react with NH3 according to Cu^+ + 2NH3 > Cu(NH3)2^+ Kf=6.3x10^10 Calculate the solubility (in g/L) of CuBr (Ksp=6.3x10^9) in 0.81 M NH3.

The speed of light is = 3x10^8 m/s. How long w ill it take to reach Pluto, 278,000,000,000 km away? This is how I solved it: 3x10^8m/s x 1km/1000m x 1/2.78x10^11 km I keep getting the wrong answer. I am not sure if this is how you set this conversion??

four particles with charges +5x10^6C, +3x10^6, +3x10^6C, and +5x10^6C are placed at the corners of a 2m x 2m square. (a)determine the electric potential at the center of the square, assuming zero potential at infinity. (answer:3.83x10^4V)(b) If one of

An object with a mass of (2.844x10^1) kg is subjected to a force of (3.964x10^3) N directed at an angle of (6.374x10^1) degrees from the x axis. A second force of (1.3x10^2) N acting in the negative X directions is also applied to the object. To two

find the ph of 0.100M NaC2H3O2 solution. do i just write an equation and solve for x NaC2H3O2 +H2O= Na2O + HC2H3O2 0.100 0 0 so x^2/0.100x =1.8 X10^5 x=1.3X10^3 then do ph=log(1.3X103) ph=2.9 is this right?

find the ph of 0.100M NaC2H3O2 solution. do i just write an equation and solve for x NaC2H3O2 +H2O= Na2O + HC2H3O2 0.100 0 0 so x^2/0.100x =1.8 X10^5 x=1.3X10^3 then do ph=log(1.3X103) ph=2.9 is this right?

"a drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of 40cm2. Assume that the oil film has a uniform thickness equal to the diameter of an oil molecule. Calculate the


1. Is it more appropriate to use scientific notation for approximates or exact numbers? why? 2. In one plantation, there are 2700 young trees correct to 2 significant figures. In the other there are 830 full grown trees, correct to 2 significant figures.

I'm having a hard time with significant figures. Any help would be appreciated. The first one is 0.0000000502. I put that it has three significant figures. Is this correct? The other numbers I haven't a clue about are: 5.52 299,792,458 206,265 I get the

[Note: I did the first half of this question by myself and got it correct. But I got the second half wrong] Question: How much work does the electric field do in moving a proton from a point with a potential of +160 V to a point where it is 45 V ? Express

Check my answer? What is the order of the numbers from least to greatest? A= 6.2x10^5, B= 1.1x10^3, C= 4.3x10^3, D= 5.2x10^5 I think it's D,B,C,A (5.2x10^5, 1.1x10^3, 4.3x10^3, 6.2x10^5)

a) Calculate [H3O^+] in a 0.15M solution of benzonic acid, HC7H5O2(aq) having K of 6.4x10^5. b) Calculate the per cent ionization of the HC7H5O2. I got.. Kb = [HC7H5O3][OH]/HC7H5O2 6.3x10^5 x Kb =1.0x10^14 Kb = 1.0x10^14/6.3x10^4 = 1.5x10^10

I just do not understand ANYTHING about multiplying/dividing/adding/subtracting significant figures! For example, the problem is: Solve the following to the correct number of significant figures: (5.039)(0.0074) What am I supposed to do? Just multiply the

2. a) 7^12/7^4 = 7^8 b)x^11/x^5 = x^6 c)12x^5/3x^2 = 4x^3 d)7x^6y^3/14x^3y = .5x^3y^2 5. a) (2x)^3(3x^2)^4 = 648x^11 b)(5x)^7/(5x)^4 = 25x^2 c)(2x)^5/8x^3 = 4x^2 d)(4x^2y^5)(3xy^3)^3 = 12xy^4 6. How long does it take light to travel from the Sun to

Ragweed pollen has a diameter of about 2.3x10(exponent 5)meters. Under a microscope the pollen appears to have a diameter of 2.3x10(exponent 2) meters. how many TIMES larger is the magnified image under the microscope?

Ragweed pollen has a diameter of about 2.3x10(exponent 5)meters. Under a microscope the pollen appears to have a diameter of 2.3x10(exponent 2) meters. how many TIMES larger is the magnified image under the microscope? I don't get it! What do u have to

(3.0 x 10^4 ) ÷ (6.2 x 10^1) = 18.6x10^3 (4.7 x 10^3 ) ÷ (9 x 10^4) = 42.3x10^7 (3.0 x 10^4 ) x (6.2 x 10^1) = 18.6x10^3 (5.1 x 10^2 ) x (3 x 10^4) = 15.3x10^2


1) Round 578.683 m, 47.3333 kg, and 789.5 cm to four significant figures. 2) Find the weight of a 12.25 kg dog. Round your answer to the correct number of significant figures. Use weight=massxfreefall acceleration. 3) Round 3155.24m, 8.777 73 cm, and

1.Which of the following is greater than 4.3x10^9 A)2.1x10^9 B)3.2x10^9 C)5.3x10^9 D)7.4x10^8*** 2.Which of the following are less than 6.5x10^5? A)1.4x10^3 B)2.5x10^4 C)7.8x10^5 D)4.6x10^6*** 3.Which number is greater than 5.5x10^7 A)1.8x10^12

A drop of oil volume 0.05cm^3 is released from a medicine dropper on to a calm surface of a pond where it spreads out to cover an area of 40cm^2. Assume that the oil film has a uniform thickness equal to the diameter of an oil molecule. I see there is an

Hi guys! I just learned about significant figures today, and I have a question about them. My teacher gave us a problem where all values have what I think is four significant figures (like 44.56) except the value for temperature (which is 25.5C). Are

Any help would be appreciated! What is 38.896/5.1 + 509.15 to the correct number of significant figures? 516.78 What is (154+8446.1)/54 to the correct number of significant figures? 159.261 Thanks!

answear in standard exponential form with correct number of significant figures 0.57 cm X 0.86 cm X 17.1 cm= what don't you understand? Please be specific. You may have two significant figures in the answer.

I solved (3x10^6)(2x10^5). My teacher said we were supposed to add the exponents. Do we still foil when we use exponents? Thanks, Kerry.

What is the order of the numbers from least to greatest? A=4.6x10^4 B=2.4x10^3 C= 3.5x10^5 D=6.3x10^4 A.C<A<B<D B.D<A<C<B C.B<C<A<D D.A<D<B<C**** Correct me if I'm wrong please

What is the order of the numbers from least to greatest? A=4.6x10^4 B=2.4x10^3 C= 3.5x10^5 D=6.3x10^4 A.C<A<B<D B.D<A<C<B C.B<C<A<D D.A<D<B<C**** Correct me if I'm wrong please

Find the answer with its correct number of significant figures. 4.311 x 0.07 =?


The engine of a train has a mass of 5x10^4 kg. it can accelerate six railway cars having a total mass of 3x10^5 kg by 0.4 m/s^2 (the 6 railway cars have a combined mass of 3x10^5). what acceleration can the same engine using the same force give to four

Suppose it takes 35 min for 2.4 g of sugar to completely react with another reagent we added to the flask. What would the reaction rate be? Calculate to the correct number of significant figures.

The engine of a train has a mass of 5x10^4 kg. it can accelerate six railway cars having a total mass of 3x10^5 kg by 0.4 m/s^2 (the 6 railway cars have a combined mass of 3x10^5). what acceleration can the same engine using the same force give to four

The engine of a train has a mass of 5x10^4 kg. it can accelerate six railway cars having a total mass of 3x10^5 kg by 0.4 m/s^2 (the 6 railway cars have a combined mass of 3x10^5). what acceleration can the same engine using the same force give to four

The engine of a train has a mass of 5x10^4 kg. it can accelerate six railway cars having a total mass of 3x10^5 kg by 0.4 m/s^2 (the 6 railway cars have a combined mass of 3x10^5). what acceleration can the same engine using the same force give to four

For the reaction 2A(g) + B(aq) + 3C(l)<> D(s) + 3E(g), the concentrations at equilibrium are found to be: A: 2.3x10^3 Pa B: 1.8x10^2 M C: 15.8M D: 12.5M E: 5.6x10^4 Torr i got an answer of 1.83x10^13 is this correct??

How would I go and express these numbers with 3 significant figures in normal notation? a)15.08 b)1444 c)83,909 d)0.524 e)0.0254 for d and e aren't they already with 3 significant figures and also in normal notation? for a, b, and c I can't figure out what

I'm a little confused when it comes to significant figures. Where it doesn't make sense to me is when zeros come before and after a number. For example: My book states that zeros that come before a digit are NEVER significant. Now this makes sense if you

I have a Chemistry question which should be very simple but I do not know what significant figures are. Assuming the following numbers are measurements and using the rules for significant figures, determine the answer for the following calculation.

How you do this? can you do the first one, i'll try the second one if you can explain Perform the following operations and give the answear in standard exponential form with the correct number of significant figures 1) 37.2mL + 18.0mL + 380mL= 2) 0.57cm x


Which weak acid would be best to use when preparing a buffer solution with a pH of 8.50? 1) an acid with Ka=3.3x10^9 2) an acid with Ka=5.0x10^4 3) an acid with KA=6.3x10^6 4) an acid with Ka=5.0x10^7 5) an acid with Ka=4.0x10^5 6) an acid with

write 480 in a) 1 significant figure b) 2 significant figures c) 3 significant figures d) 4 significant figures

perform this operation to the correct significant figure. 2.0cm × 0.01m in the correct significant figure. should the answer be in two or one significant figures

A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron mp=mass of proton=1.673x10^27

round of the following digits 3.65*105(upto are place of decimal) 0.882026(upto three significant figures) 311.299(upto four significant figures) 4.783(upto two significant figures)

Assuming that Albertine's mass is 60.0 , what is , the coefficient of kinetic friction between the chair and the waxed floor? Use = 9.80 for the magnitude of the acceleration due to gravity. Assume that the value of found in Part A has three significant

are these right? How many atoms are there in 1.3x10^22 molecules NO2? atoms=(1.3x10^22 molecules NO2) x (2atoms/1molecule) = 2.6x10^22 atoms NO2 A 5.0g sample of O2 is in a container at STP. How many atoms of oxygen are in the container? atoms = (5.0g O2)

4. 5.6 x 106 mol of A and 5 x 105 mol of B are mixed in a 200 mL flask. The system is represented by the equation: 2A + B > 3C I 2.8x105 M 2.5x104 0 C 2x x +3x E 2.8x1052x 2.5x104x 3x105 B = 2.5x104x = 2.4x104 x = 1x105 A =

You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3morpholinopropane1sulfonic acid) and 10.0 mL of 0.086 M NaOH. Next, you add 1.00 mL of 8.87 × 104 M lidocaine to this mixture Denoting lidocaine as L, calculate the fraction of lidocaine

26.3 x 10^3 + 4x10^3 = 26.3+4= =30.3x10^3


( 7.5x10^11 )  ( 4.3x10^8 )

I also need help with 9.67nm=???km and 2.3X10 to the 4g=????ng

(2x10^5)(3x10^6)

how to solve 3m6=3x106

(5x10^7)+(2.3x10^7) 73^6

Assuming that Albertine's mass is 60.0kg , what is μk, the coefficient of kinetic friction between the chair and the waxed floor? Use g = 9.80m/s2 for the magnitude of the acceleration due to gravity. Assume that the value of k found in Part A has

2+3x10 DIVIDED BY 5x39= ????

SIMPLIFY: 2+3x10/5x39=???

Multipy and keep only the correct number of significant figures. 101.6 * 3

During an action potential, Na^+ ions move into the cell at a rate of about 3x10^7 mol/m^2*s. How much power must be produced by the "active Na^+ pumping" system to produce this flow against a +30mV potential difference? Assume that the axon is 40cm long


3x10`6 square meters

what is half of speed of light? (3x10^8m/s)

how do u find the standard numeral for 9.3x10^4

what is the answer to 3x10=(2x10)+(1x__)

A solution is prepared by dissolving 0.2222 (¡¾0.0002) g of KIO3 in 50.00 (¡¾0.05) mL. (i) Calculate the molar mass of KIO3 with its associated uncertainty to the correct number of significant figures. (ii) Find the molarity and its uncertainty with an

how do you convert 3x10^3 rad to 10 min of arce

when simipliified (2x10^3)(3x10^4)is equivalent 6x10^7

A solution is prepared by dissolving 0.2222 (¡¾0.0002) g of KIO3 in 50.00 (¡¾0.05) mL. (i) Calculate the molar mass of KIO3 with its associated uncertainty to the correct number of significant figures. (ii) Find the molarity and its uncertainty with an

PLEASE HELP WITH PART E AND F THANKS!! Find the direction and magnitude of the following vectors. A⃗ =( 22 m )x^+( 15 m )y^ Express your answer in degrees using three significant figures. θA = THE ANSWER IS34 Part B Express your answer in meters using

Report the following to two significant figures a. 3.1459 b. 6.003 c. 42 d. 6.0233 x 10^23 e. 14.456 + 3.87 f. 9.9999995  0.0108 g. 67.3 x 6.667 h. 4.93 / 3.946


You calculate the area of a 150m x 100.0 m room. How many significant figures should your answer include? a. 1 b. 2 c. 3 d. 4 2?

1.2 (1+ 23.0 x 106/°C*50) Could someone solve this problem for me and tell me how did you get the answer? I've tried to solve this problem in so many ways, but can't get the right answer. My multiple choices are A.0.001386 meters, B.0.00180 meters,

What is the property type of (2x100)+[(1x100)+(3x10)]+(5x10)

5x10^2=5x100=500. 3x10^3=3x100=300.

multiply and write the answers without exponents. (3x10^2)x(2x10^4)

what is Kc for 2NOBr>2NO+Br2 when the temperature is 1000K and the Kc is 1.3x10^2

which is the best estimate for (6.3x102) (9.9x103) written in scientific natation

Report the following to two significant figures a. 3.1459 b. 6.003 c. 42 d. 6.0233 x 10^23 e. 14.456 + 3.87 f. 9.9999995  0.0108 g. 67.3 x 6.667 h. 4.93 / 3.946 Can someone please check my answers a. 3.1 b. 6.0 c. 42 d. 6.0 x 10^23 e. 18 f. 10. g. 4.5 x

82.453 in 3 significant figures with scientific notation. ~hm..I don't know how to do this...it sounds simple but I'm confused. Help please =)

Find the direction and magnitude of the following vectors. A⃗ =( 22 m )x^+( 15 m )y^ Express your answer in degrees using three significant figures. θA = Part B Express your answer in meters using two significant figures. A⃗  = m Part C B⃗ =( 2.5


The question asks me to find the absolute error using the true value=.1025M, and the mean=.1077 The answer I got was .0052...how would I convert this to 4 significant figures? (since the values have 4 significant figures)

can someone please explain significant figures to me?I don't understand how to round them to the right number.

use exponential notation to express the number 480 in 3 significant figures and 4 significant figures

Suppose you are asked to find the area of a rectangle that is 2.1cm \rm cm wide by 5.6cm \rm cm long. Your calculator answer would be 11.76 cm 2 \rm cm^2 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not

Hi I just need help with question (ii) and (iii), i know how to work out (i) A solution is prepared by dissolving 0.2222 (±0.0002) g of KIO3 in 50.00 (±0.05) mL (i) Calculate the molar mass of KIO3 with its associated uncertainty to the correct number of