bonjour
a)125000
=1.25x10⁵
b)0.000012
=1.2x10⁻⁵
c)650x10-5
=6.5x10⁻³
d)9872x10⁵
=9.872x10⁸
e)0.651x10⁵
=6.51x10⁴
f)0.001693x10⁻⁴
=1.693x10⁻⁷