Sagot :
A=2^5*2^3=2^5+3=2^8
B=(2^3 )^5=2^3*5=2^15
^ = puissance
C=10^5/10^3
C=10^5*10^-3
C=10^5-3
C=10^2
B=(2^3 )^5=2^3*5=2^15
^ = puissance
C=10^5/10^3
C=10^5*10^-3
C=10^5-3
C=10^2
A) 2⁵ × 2³ = 2⁵⁺³
= 2⁸
B) (2³)⁵ = 2⁽³⁾*⁽⁵⁾
= 2¹⁵
C) 10⁵/10³ = 10⁵⁻³
= 10²
D) 2³ × 2⁴ × 2⁻⁵ = 2³⁺⁴⁻⁵
= 2²
= 2⁸
B) (2³)⁵ = 2⁽³⁾*⁽⁵⁾
= 2¹⁵
C) 10⁵/10³ = 10⁵⁻³
= 10²
D) 2³ × 2⁴ × 2⁻⁵ = 2³⁺⁴⁻⁵
= 2²