Post a New Question

Chemistry/Quantitive Anaylsis

posted by .

Determine the absolute and percent relative uncertainty expressing the result in the correct number of significant digits
a.) 6.2 (+-0.2)-4.1(+-0.1)
b.)[9.23(+-0.03)][4.21(+-0.20}/21.1(+-0.2)
c.)log[3.1415(+-0.001)]
d) log[(0.104(+-0.0060)]^1/2 /0.0511(+-0.00090]

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    write as a single logarithm: -2logbase3(1/x)+(1/3)logbase3(square root of x) please show the steps to solving this. thanx. remember that 1 log (AxB) = log A + Log B (same base) 2 log (A/B) = log A - log B 3 log A^n = n log A use these …
  2. Algebra 2

    how do not understand how to do this Log X + Lob (X-3) = 1 I know I do this Log X(X-3)=1 then I do this Log X^(2) - 3X = 1 then I do this 2 Log (X-3X) = 1 then 2 Log (-2X) = 1 then (2 Log (-2X) = 1)(1/2) Log (-2X) = 1/2 then (Log (-2X) …
  3. Mathematics

    Prove that log a, log ar, log ar^2 is an a.p. Is the following below correct?
  4. Math Help Please

    Which of the following expressions is equal to log (x sqrt-y)/z^5 A. log x + log (1/2) + log y– log 5 – log z B. log [x + (1/2)y – 5z] C. log x + (1/2)log y – 5 log z d. [(1/2) log x log y]/(5 log z)
  5. math(Please help)

    1) use the properties of logarithms to simplify the logarithmic expression. log base 10 (9/300) log - log 300 log 9 = 2 log 3 log 300 = log 3 + log 100 = log 3+2 I just do not know how to put these together now!
  6. math

    Logarithm!!! Select all of the following that are true statements: (a) log(2x) = log(2) + log(x) (b) log(3x) = 3 log(x) (c) log(12y) = 2 log(2) + log(3y) (d) log(5y) = log(20y) – log(4) (e) log(x) = log(5x) – log(5) (f) ln(25) …
  7. Chemistry/Algebra 2

    Are the answers to these correct? Use log(base12)3= 0.4421 and log(base12)7= 0.7831. log(base12)36 = log(base12)3^2*4= 4.8842 log(base12)27/49 = -0.2399 log(base12)81/49 = 0.2022 log(base12)16,807 = 3.9155 (16,807= 7^5) log(base12)441
  8. Math/Chemistry PLS HELP

    Find the absolute and percent relative uncertainty and express each answer with a reasonable amount of significant figures. 9.2(+ or -0.7)*(0.0054(+-0.3)+0.0056(+-0.7) The Algebraic answer: 0.1012 Absolute error?
  9. Physics

    A lumberjack (mass = 104 kg) is standing at rest on one end of a floating log (mass = 234 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.18 m/s relative to the shore, and then …
  10. Chemistry

    The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 10-14. Show all calculations leading to an answer. I got this so far : Kw = 1.219x 10^-14 [H+]^2= 1.219 x 10^-14 [H+]= -/(1.219) x …

More Similar Questions

Post a New Question