Répondre :
Exercice 3 :
C = 5 x 5 x 5 x 5 = 625
D = (-2) x (-2) x (-2) x (-2) x (-2) x (-2) x (-2) = -128
E = (-10) x (-10) x (-10) = -1000
Exercice 6 :
H = 2 + 6 x 7³
= 2 + 6 x (7 x 7 x 7)
= 2 + 6 x 343
= 2 + 2058
= 2060
I = 6 - (5 x 5 x 5 x 5) x 4 + 100
= 6 - 625 x 4 + 100
= 6 - 2500 + 100
= 6 - 2600
= -2594
J = (-3)³ x 6 + 2 x 5²
= -27 x 6 + 2 x 25
= -162 + 50
= -112
Exercice 9 :
M = (10 x 10 x 10 x 10 x 10 x 10)
= 1000000
N = (10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10)
= 1000000000000
P = 42,1 x (10 x 10 x 10 x 10)
= 42,1 x 10000
= 421 000
Q = 0,678 x (10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10)
= 0,678 x 1000000000
= 678000000
R = 523 x (10 x 10 x 10 x 10)
= 523 x 10000
= 5230000
S = 7 x 1
= 7
C = 5 x 5 x 5 x 5 = 625
D = (-2) x (-2) x (-2) x (-2) x (-2) x (-2) x (-2) = -128
E = (-10) x (-10) x (-10) = -1000
Exercice 6 :
H = 2 + 6 x 7³
= 2 + 6 x (7 x 7 x 7)
= 2 + 6 x 343
= 2 + 2058
= 2060
I = 6 - (5 x 5 x 5 x 5) x 4 + 100
= 6 - 625 x 4 + 100
= 6 - 2500 + 100
= 6 - 2600
= -2594
J = (-3)³ x 6 + 2 x 5²
= -27 x 6 + 2 x 25
= -162 + 50
= -112
Exercice 9 :
M = (10 x 10 x 10 x 10 x 10 x 10)
= 1000000
N = (10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10)
= 1000000000000
P = 42,1 x (10 x 10 x 10 x 10)
= 42,1 x 10000
= 421 000
Q = 0,678 x (10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10)
= 0,678 x 1000000000
= 678000000
R = 523 x (10 x 10 x 10 x 10)
= 523 x 10000
= 5230000
S = 7 x 1
= 7
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