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69.	Column A		Column B
	3¹⁹ – 3¹⁸		3¹⁸(4)

*This question is included in Nova Math - Problem Set G: Quantitative Comparisons, question #69

The solution is

Posted: 03/23/2016 13:33

Can you explain why it goes from 3^18(3^1-1) = 3^18(2)

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Admin

Posted: 03/24/2016 00:40

Hi Joelene,

3^1 is just 3, so (3^1 - 1) = (3 - 1) = (2).

Nova Press

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