Question

3.4-2.8d+2.8d-1.3. Combine like terms to simplify the expression

Answer 1

   
3.4 - 2.8d + 2.8d - 1.3 = 3.4 - 1.3 - 2.8d + 2.8d = 3.4 - 1.3 = 2,1