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Which of the following must be equal to (x^6)(x^4) ?

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Which of the following must be equal to (x^6)(x^4) ?  [#permalink]

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New post 03 Jul 2018, 23:15
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A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

94% (00:16) correct 6% (00:00) wrong based on 44 sessions

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Which of the following must be equal to (x^6)(x^4) ?

(A) x^10
(B) x^12
(C) x^20
(D) x^24
(E) x^48
Spoiler: OA

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Re: Which of the following must be equal to (x^6)(x^4) ?  [#permalink]

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New post 03 Jul 2018, 23:21
Ans: A
(x^6)(x^4) = x^(6+4) = x^10

Bunuel wrote:
Which of the following must be equal to (x^6)(x^4) ?

(A) x^10
(B) x^12
(C) x^20
(D) x^24
(E) x^48

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Re: Which of the following must be equal to (x^6)(x^4) ?  [#permalink]

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New post 04 Jul 2018, 03:26
Bunuel wrote:
Which of the following must be equal to (x^6)(x^4) ?

(A) x^10
(B) x^12
(C) x^20
(D) x^24
(E) x^48



Given,

\(x^6\)\(x^4\)

=\(x^{6+4}\)

=\(x^{10}\)

Thus the best answer is A .
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Which of the following must be equal to (x^6)(x^4) ?  [#permalink]

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New post 04 Jul 2018, 07:06
Bunuel wrote:
Which of the following must be equal to (x^6)(x^4) ?

(A) x^10
(B) x^12
(C) x^20
(D) x^24
(E) x^48


\(x^{4+6}\)

\(= x^{10}\) , Answer must be (A)
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