The six term of a g.p -64/9 and it's common ratio is -2/3 find first term of g.p

Answer 1

term(6) = ar^5 = -64/9, but r = -2/3

a(-2/3)^5 = -64/9
a(-32/243) = -4/9
a = (-64/9)(-243/32)
a = 54