P Peggysue4 New member Joined Dec 20, 2009 Messages 3 Dec 20, 2009 #1 I'm going crazy here......can't find the missing number in the sequence: 1 - 8 - 27 - ___ - 125 - 216 HELP!
I'm going crazy here......can't find the missing number in the sequence: 1 - 8 - 27 - ___ - 125 - 216 HELP!
D Deleted member 4993 Guest Dec 20, 2009 #2 Peggysue4 said: I'm going crazy here......can't find the missing number in the sequence: 1 - 8 - 27 - ___ - 125 - 216 HELP! Click to expand... Look at cubes of natural numbers 1[sup:1wdewcse]3[/sup:1wdewcse] = 1 2[sup:1wdewcse]3[/sup:1wdewcse] = 8 3[sup:1wdewcse]3[/sup:1wdewcse] = 27 _ [sup:1wdewcse]3[/sup:1wdewcse] = __ 5[sup:1wdewcse]3[/sup:1wdewcse] = 125 6[sup:1wdewcse]3[/sup:1wdewcse] = 216 What do you think it should be?
Peggysue4 said: I'm going crazy here......can't find the missing number in the sequence: 1 - 8 - 27 - ___ - 125 - 216 HELP! Click to expand... Look at cubes of natural numbers 1[sup:1wdewcse]3[/sup:1wdewcse] = 1 2[sup:1wdewcse]3[/sup:1wdewcse] = 8 3[sup:1wdewcse]3[/sup:1wdewcse] = 27 _ [sup:1wdewcse]3[/sup:1wdewcse] = __ 5[sup:1wdewcse]3[/sup:1wdewcse] = 125 6[sup:1wdewcse]3[/sup:1wdewcse] = 216 What do you think it should be?
