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# Which of the following is equal to value of

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Manager
Joined: 08 Feb 2006
Posts: 126
Which of the following is equal to value of [#permalink]

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17 Apr 2006, 01:43
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Which of the following is equal to value of 2^5+2^5+3^5+3^5+3^5?

a. 5^6

b. 13^5

c. 2^6+3^6

d. 2^7+3^8

e. 4^5+9^5
VP
Joined: 29 Apr 2003
Posts: 1403

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17 Apr 2006, 02:17

2^6 + 3 ^6
Director
Joined: 10 Oct 2005
Posts: 718

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17 Apr 2006, 05:16
2^5+2^5+3^5+3^5+3^5=2^5(1+1)+3^5(1+1+1)=2^6+3^6
C it is
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Senior Manager
Joined: 24 Jan 2006
Posts: 252

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17 Apr 2006, 08:17
Manager
Joined: 08 Feb 2006
Posts: 126

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17 Apr 2006, 11:55
I attempted to do this problem like this:

2^5+2^5+3^5+3^5+3^5

= 2^5+2^1 + 3^5+3^1+3^1

= 2^(5+1) + 3^(5+1+1)

2^6+3^7

Can somebody explain what I did wrong? Thanks.
Manager
Joined: 08 Feb 2006
Posts: 126

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17 Apr 2006, 20:49
I get it now. Hope this is right.

I attempted to do this problem like this:
2^5+2^5+3^5+3^5+3^5

2^5+2^5 + 3^5+3^5+3^5

= 2^5 (1+1) +3^5(1+1+1)

= 2^5 (2^1) + 3^5(3^1)

= 2^6 + 3^6
17 Apr 2006, 20:49
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