Question

Ajuda

A 8³.8-7.8⁵=

B (2⁻¹)⁻³

C 2⁻­­­­­­­­­­­­­­­­­⁴ : 2⁻¹

D 3⁻¹ . 3­­­­­­­­­­­­­­­­­⁶ . 3­­­­­­­­­­­­­­­⁴ . 3⁻¹­­­­­­­­­­­­­­­­­­­­­­­­­­­­⁰

Answer 1

Explicação passo-a-passo:

a) 8³. 8^-7 .8^5= 8^ 3+(-7)+5= 8^3-7+5= 8^8-7= 8¹=8

b) (2-¹)-³= 2^(-1)×(-3)= 2³

c) 2-⁴ : 2-¹= 2^-4-(-1)= 2^-4+1= 2-³

d) 3-¹.3^6. 3⁴ . 3^-10=

3^-1+6+4+(-10)=

3^-1+10-10=

3-¹