Question

(b) What is the value of 8.125 +3.25 if 812.5 + 325 = 2.5​

Answer 1

Answer:

2.5×1.25=3.125

The rule says: Answer to a multiplication or division should be rounded off to a same number of significant figures as possessed by the least precise term in the calculation.

Since 2.5 has least numbers of significant figure i.e.two, thus, the result should have 2 significant figure i.e. 3.1

option C is correct

Answer 2

Answer:

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