A butcher at a certain store has the scales calibrated for accuracy. The scales must measure a standardized 1-pound weight at exactly 1 pound with accuracy within 0.018 pound.
(a)
Write the possible measured scale weights (in lb) using plus/minus notation.
lb ±
lb
(b)
Write the possible measured scale weights (in lb) using interval notation. (Simplify your answer completely.)
lb
(c)
All of the measured scale weights must be between which two values (in lb)?
All of the measured scale weights must be between a lower value of
lb and an upper value of
lb.