Question

Two numbers a=0.42 and b=0.08 are given. The
number of significant figures present in the result after
the following operation a+b,a-b,axb and a/b
respectively are ?​

Answer 1

Step-by-step explanation:

a=0.42

b=0.08

therefore

a+b=0.50

a-b=0.34

a•b=0.0336

a/b=5.25