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Dianajuravle432
a fost răspuns

Scrie ca putere:
a) 81×3^7×3^8
b) 2^17×4^5
c) 2^11+2^11
d) 3^7+3^7+3^7
e) 5^10+5^10+5^10+5^10+5^10

Răspuns :

Dianageorgiana794

Răspuns:

a) 81×3^7×3^8=3⁴·3⁷·3⁸=3⁴⁺⁷⁺⁸=3¹⁹

b) 2^17×4^5=2¹⁷·(2²)⁵=2¹⁷·2¹⁰=2¹⁷⁺¹⁰=2²⁷

c) 2^11+2^11=2¹¹(1+1)=2¹¹·2=2¹¹⁺¹=2¹²

d) 3^7+3^7+3^7=3⁷(1+1+1)=3⁷·3=3⁷⁺¹=3⁸

e) 5^10+5^10+5^10+5^10+5^10=5¹⁰(1+1+1+1+1)=5¹⁰·5¹=5¹⁰⁺¹=5¹¹