shiky12 shiky12

07-05-2016
Mathematics

Answered

PLZ ANSWER THIS QUESTION!

A\(17^{-18}\) ÷ \(17^{7}\)
B\(11^{-6}\) ÷ \(11^{-7}\)

IT IS VERY EASY

Verified Answer :

Anonymous Anonymous

07-05-2016

17⁻¹⁸ / 17⁷=17⁻¹⁸⁻⁷=17⁻²⁵
a^n / a^m=a^(n-m)

Answer: 17⁻¹⁸ / 17⁷=17⁻²⁵

b)
11⁻⁶ / 11⁻⁷=11⁻⁶⁻(⁻⁷)=11⁻⁶⁺⁷=11¹=11

Answer: 11⁻⁶ / 11⁻⁷=11

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