Question

Which of the following statements is true ?

(A) 7³ × 7³= (49)^6
(B) (3/11)^5 × (3/11)²= (3/11)^7
C) (2^6)³= (2)^9
D) (-3/2)² = -9/4

Answer 1

If x be any rational number and m, n be any  integers then x^m × x^n= x^m+n


Option B is true.


(B)  (3/11)^5 × (3/11)²= (3/11)^7


solution:


(3/11)^5+2= (3/11)^7


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Hope this will help you...

Answer 2

ANSWER:Option B is
B)(3/11)^5 × (3/11)^2 = (3/11)^5+2=(3/11)^7

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