shiky12 shiky12

08-05-2016
Mathematics

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PLZ ANSWER THIS QUESTION!
a) [tex] 17^{-18} [/tex] ÷ [tex] 17^{7} [/tex]
b) [tex] 11^{-6} [/tex] ÷ [tex] 11^{-7} [/tex]
IT IS VERY EASY

Respuesta :

Аноним Аноним

08-05-2016

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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