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Papessa [141]
4 years ago
6

Express as a single power of 2

Mathematics
1 answer:
den301095 [7]4 years ago
6 0
When you multiply powers, they add, and when you divide them they subtract.
So I would first add the 2^a + 2^b +2^c to get 2^(a+b+c)
Then, divide by 2^(a+b). Because when you divide powers they subtract, you will be taking away the (a+b) from the (a+b+c) and you will be left with c on its own.
The answer is 2^c
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3 years ago
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shepuryov [24]

Answer:  17+3(n-1)

This simplifies to 3n+14

========================================

Explanation:

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This means the nth term is...

a_n = a_1 + d(n-1)\\\\a_n = 17+3(n-1)\\\\a_n = 17 + 3n-3\\\\a_n = 3n+14

As a check, if we tried something like n = 2, then,

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