# The length,

Given:

Length (l) = 4.234 m

Thickness (t) = 2.01 cm = 0.0201 m (note that significant figures remains unchanged)

Formulae:

Total surface area of rectangular sheet (S) = 2 (lb + bt + tl)

Volume of rectangular sheet (V) = l × b × h

Calculation:

S = 2×(4.234 ×1.005 + 1.005 × 0.0201 + 0.0201 × 4.234)

S = 8.72 m2 (reported upto 3 significant figures as in multiplication, lowest number of significant figures in all the numbers is chosen for final answer)

V = 4.234 × 1.005× 0.0201

V = 0.0855 m3 (reported upto 3 significant figures as in multiplication, lowest number of significant figures in all the numbers is chosen for final answer)

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