F=20.81 N correct to 2 decimal places
F = 20.81 \text{ N correct to 2 decimal places}
F=20.81 N correct to 2 decimal placesP=5.12 Nm−2 correct to 3 significant figures
P = 5.12 \text{ Nm}^{-2} \text{ correct to 3 significant figures}
P=5.12 Nm−2 correct to 3 significant figuresp=FA
p = \frac{F}{A}
p=AF
ppp = pressure, FFF = force, AAA = area
By considering bounds, work out the value of A A\,A to a suitable degree of accuracy.
Give a reason for your answer.
