contestada

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1) If X = 3.16 +0.02 cm and Y = 2.86 + 0.01 cm then X - Y =
a) 0.30 + 0.03 cm
b) 0.30 + 0.01 cm
c) 0.30 + 0.02 cm
d) 0.300 + 0.003 cm