SOLUTION: Each of 5 children wrote one of the numbers 1, 2, 4 on the board. Then the written numbers were multiplied. Which number can be the product of those numbers. A) 100 B) 120 C) 2

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Question 1146370: Each of 5 children wrote one of the numbers 1, 2, 4 on the board. Then the written numbers were multiplied. Which number can be the product of those numbers. A) 100 B) 120 C) 256 D) 768 E) 2048
Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!


1 = 2^0
2 = 2^1
4 = 2^2

The product of any 5 of those numbers will be an integral power of 2, with a maximum value of (2^2)^5 = 2^10 = 1024.

Answer choices C and E are the only ones that are integral powers of 2; but answer E is too large.

ANSWER C

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