Suppose that the expected value of a measurement is 2.0 m. Which of the following sets of measurements is the MOST accurate? A. 1.4 m, 1.6 m, 1.8 m, 2.0 m B. 1.6 m, 1.5 m, 1.6 m, 1.6 m C. 1.9 m, 2.3 m, 2.2 m, 1.8 m D. 4.0 m, 3.4 m, 1.0 m, 6.0 m

The answer is b because a,c,and d are opinons

Ithink ahopefully im correct 

Reaction involved in present system is :   c12h22o11 + h2o → 2 c6h12o6the reaction system is obeying following rate law:   rate = k[c12h22o11]thus, it is a first order reaction.now, for 1st order reactionrate constant (k) =  given: initial conc. = 3.0 g, final conc. = 2.7 g, t = 2.5 h∴rate constant (k) =  ∴ k = 0.04215 h-1now, for 1st order reaction, half life = 0.693/k = 0.693/0.04215 = 16.4 hthus correct answer is option b

If the distance between two charged objects decreases, both the electric and gravitational forces will increase.  this is due to the distance being in the denominator of both their equations.