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Mathematics 7 Online
OpenStudy (anonymous):

m, 2m, 4m, . . . The first term in the sequence above is m, and each term thereafter is equal to twice the previous term. If m is an integer, which of the following could NOT be the sum of the first four terms of this sequence?

OpenStudy (nincompoop):

WHERE IS THE FOLLOWING?

OpenStudy (nincompoop):

WHERE ARE THE CHOICES

OpenStudy (anonymous):

-25 -15 45 75 120

OpenStudy (campbell_st):

well if you sum them m +2m + 4m + 8m = 15m which of you're choices isn't a multiply of 15... thats the answer.

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