And . The value of recorded with its uncertainty should…

PHYSICS · Single correct · A Level · Physics · Measurements and their errors · Measurements and their errors

Problem

x = 4.50 \pm 0.05

and

y = 2.0 \pm 0.1

. The value of

z = xy

recorded with its uncertainty should be: (a)

9.0 \pm 0.05

(b)

9.0 \pm 0.6

(c)

9.0 \pm 0.4

(d)

9.0 \pm 0.15