Question

33. A stack of 500 A4 size paper is 60 mm thick. Find the thickness of each A4 paper
in cm, correct to 2 decimal places,
(ii) in m, correct to 1 significant figure.​

Answer 1

Answer:

500 paper = 60 mm thickness

1 paper = 0.12 mm

i) 1 cm = 10 mm

so 0.12mm = 0.012 cm

ans to 2 dp

so = 0.01

ii) 1 m = 1000 mm

so 0.12 mm =0.00012 m

ans to 1 s.f.

so = 0.0001