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2³⁰ + 2³⁰ + 2³⁰ + 2³⁰ =

A. 8¹²⁰

B. 8³⁰

C. 2³⁰

D. 2³²

E. 2³⁶

All four terms are identical therefore we have 4 (2³⁰).
But 4 = 2², and so we can write 2². 2³⁰
Which is equivalent to 2³²

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Question Details

Taken: 46 times

Added: 10/27/2008

Liked: 2 times

Taggged: Math, SAT

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