Question

find the sum of the following aps 0.6 1.7 2.8​

Answer 1

Answer:

5.1

Step-by-step explanation:

0.6+1.7+2.8

a=0.6,d=1.7-0.6=1.1,n=3

sn=3/2(2*0.6+(3-1)*(1.1))

=3/2*(1.2+2.2)

=3*3.4/2

=5.1