Question

The first three terms of a sequence are given. Round to the nearest thousandth (if

necessary).

260, 255, 250, ...
Find the 43rd term.

Answer 1

50

Explanation:

a(first term)=260

d(common difference)=255-260=-5

T43 =a +42d

=260 + 42(-5)

=260 + (-210)

=260 - 210

=50

T43 = 50