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Re: GRE Math Challenge #102- Value of(2^1^0 - 2^9 )(2^8 - 2^7 ) [#permalink]
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Kimberly99 wrote:
Hi Brent GreenlightTestPrep, to clarify is it correct to use FOIL method here? though the calculation will be quite messy. Thanks


That you mentioned is not the FOIL method which is , specifically, the order of the parenthesis you solve first

Here to see what we are talking about https://gre.myprepclub.com/forum/gre-ma ... tml#p95354

That is one exponent law when you take out the minor of the two

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