bonsoir
a = 4 ³ x 5 ³ = 20 ³
b = 10 ⁷
c = 3⁵
d = 0.1 ⁴
e = 3⁻⁶ x 3 ⁹ = 3 ³
f = 5 ⁻⁵ sur 5 ⁻² = 5 ⁻³
g = 4³ x 4 ² = 4 ⁵
h = 15²
i = 2 ⁹
a ) 2³ + 3² = 8 + 9 = 17
b) fait
c) 2 x 9 - 9 = 18 - 9 = 9
d = 4 x ( 9 - 2) x 2
d = 4 x 7 x 2 = 56
e= 4 x 9 - 4 = 9
f ) ( 4 x 9 - 2) x 2 = (36 - 2 ) x 2 = 34 x 2
g = 9 x 1 = 9
h = 200 x 3 x 1000 = 6000
i = ( 9 - 8)²⁷ = 1 ²⁷ = 1
a ) 2000 = 2 x 10 ³
b) 2 321 x 10 ³ = 2.321 x 10 ⁶
c) 0.000 0023 = 2.3 x 10 ⁻⁶
d) 100 x 2.42 x 10³ = 242 x 10 ³ = 2.42 x 10 ⁵
e) 0.0004 x 10 ⁻⁹ = 4 x 10⁻¹³ = 0.4 x 10 ⁻¹²
f) 2 x 10 ⁶ x 7 x 10 ⁻¹² = 14 x 10 ⁻⁶
