If A = 629 ± 8 and B = 131 ± 3, A - B with range of doubt is – McqOptions

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1.	If A = 629 ± 8 and B = 131 ± 3, A - B with range of doubt is
A.	498 ± 8
B.	498 ± 4
C.	498 ± 11
D.	498 ± 13
Answer» D. 498 ± 13

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