Question

Which term of the AP 4.2,4.7,5.2,5.7......is 8.7

Answer 1

Answer:

8.7 is its 10th term.

Hope this helps you!!

Answer 2

Answer:

Step-by-step explanation:

d = 4.7 - 4.2 = 0.5

a = 4.2 (given)

term = a+(n-1)d

8.7 = 4.2 + (n-1)(0.5)

(0.5)(n-1) = 8.7 - 4.2 = 4.5

n-1 = 4.5/0.5

n-1 = 9

n = 9 + 1

n = 10

∴8.7 is the 10th term in the series