ESPERANCASILVA30
Answered

A= 55×10^7×5×10^-15
A=
A=
A=
B=1,9×10^11×3×10^-7
B=
B=
B=​

Sagot :

CHRYSTINE

bonjour

A= 55×10^7×5×10^-15

A=55x5x10⁻⁸

A=275x10⁻⁸

A=2.75x10⁻⁶

B=1,9×10^11×3×10^-7

B=1.9x3x10⁴

B=5.7x10⁴