The correct option is B Coefficient of a in the term 0.3a is 0.3.
Coefficient of ab in the term- 0.6ab is -0-6.
Coefficient of b in the term -0.5b is 0.5.
In the expression 0.3a−0.6ab+0.5b
the terms are 0.3a,−0.6ab and 0.5b.
Coefficient of a in the term 0.3a is 0.3.
Coefficient of ab in the term −0.6ab is −0.6.
Coefficient of b in the term 0.5b is 0.5.