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What is the value of 4^5+4^7?
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25 Oct 2019, 03:14
25 Oct 2019, 03:14
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A
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Difficulty:
5%
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Question Stats:
80% (00:40) correct
20%
(00:56)
wrong
based on 297
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What is the value of \(4^5+4^7\)?
(A) \(4^{12}\)
(B) \(4^{35}\)
(C) \(17(4^5)\)
(D) \(8^{12}\)
(E) \(7(4^5)\)
(A) \(4^{12}\)
(B) \(4^{35}\)
(C) \(17(4^5)\)
(D) \(8^{12}\)
(E) \(7(4^5)\)
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What is the value of 4^5+4^7?
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25 Oct 2019, 04:09
25 Oct 2019, 04:09
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\(4^5+4^7=4^5(1+4^2)=4^5(1+16)=17(4^5)\)
Answer is (C)
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Answer is (C)
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Joined: 31 Aug 2019
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Re: What is the value of 4^5+4^7?
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27 Oct 2019, 21:24
27 Oct 2019, 21:24
4^5 + 4^7
First we can factor out 4^5 and we are left with;
4^5(1 + 4^2)
Then we can compute 4^2, which is 16.
4^5(1 + 16)
the result is;
4^5(17)
First we can factor out 4^5 and we are left with;
4^5(1 + 4^2)
Then we can compute 4^2, which is 16.
4^5(1 + 16)
the result is;
4^5(17)
