Les puissances : exercice 1 , 2 et 3 je n’arrive pas .

Réponse :

bonjour

A = 4² + 3² = 16 + 9 = 25

B = 2 ⁻³ = 1 /2 ³ = 1 /8

C ( - 5 ) ³ = - 125

D = 4 ⁻³⁺³ = 4 ⁰ = 1

E =  3 ¹⁶

F = ( - 5 ) ¹⁴

G = 4 ⁻¹⁰

H = 17 ⁷

I = 3 ⁻²⁰¹

J = 5 ³⁹/5⁻³¹ = 5 ⁷⁰

A = 3 789 000 = 3.789 x 10 ⁶

B =  0. 000 000 037 = 3.7 x 10 ⁻⁸

14.3 x 10 ⁸ = 1.43 x 10 ⁹

228 x 10 ⁶ = 2.28 x 10 ⁸

2 880 000 000 = 2.88 x 10 ⁹

1.49 x 10 ⁸

45 000 x 10 ⁵ = 4 .5 x 10 ⁴

11 x 10 ⁷= 1.1 x 10 ⁸

778 x 10 ⁶ = 7.78 x 10 ⁸

0.58 x 10 ⁸ = 5.8 x 10 ⁷

Explications étape par étape :