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(613)10÷[(613)5]2=(613)- - Mathematics

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Question

`(6/13)^10 ÷ [(6/13)^5]^2 = (6/13)^-`

Fill in the Blanks

Solution

`(6/13)^10 ÷ [(6/13)^5]^2 = (6/13)^bb(underline(0)`

Explanation:

Here, `(6/10)^10 ÷ [(6/13)^5]^2 = (6/13)^10 ÷ (6/13)^(5 xx 2)`  ......[∵ (am)n = amn]

= `(6/13)^10 ÷ (6/13)^10 = (6/13)^(10-10)` ......[∵ am ÷ an = am–n, (m > n)]

= `(6/13)^0`

∴ `(6/13)^10 ÷ [(6/13)^5]^2 = (6/13)^0`

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Chapter 11: Exponents and Powers - Exercise [Page 341]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 11 Exponents and Powers
Exercise | Q 28. | Page 341

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