Question

Which number is next in the geometric sequence 40, 100, 250, 625, .....?

Answer 1

could you find the common ratio of this geometric sequence ?

Answer 2

hmm this one is tough

Answer 3

hrmm... idk what 40 x what equals 100

Answer 4

i tried times to and then add 20 but not work. let me try times 3 and minus 20

Answer 5

nope not work

Answer 6

:(

Answer 7

how about 2.5 ???

40*2.5 = 100
100*2.5 = 250
and so on

so common ratio r= 2.5 or 5/2
got this ?

Answer 8

nice thinking man

Answer 9

dang! thanks lol

Answer 10

so after 625
next number is just
625*2.5
and welcome ^_^

Answer 11

so the answer would be 156.2 i got it :D i didnt know you could multiply with decimal. xD

Answer 12

its 1562.5