6a single sheet of aluminium foil is folded twice to produce a stack of four sheets. the total
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6a single sheet of aluminium foil is folded twice to produce a stack of four sheets. the total
thickness of the stack of sheets is measured to be (0.80 ± 0.02) mm. this measurement is made
using a digital caliper with a zero error of (−0.20 ± 0.02) mm.
what is the percentage uncertainty in the calculated thickness of a single sheet?
a 1.0% b 2.0% c 4.0% d 6.7%
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