👤

Sagot :

bonjour

1)2x10⁻⁸x14x10²/7x10³

=2x14/7x10⁻⁸x10²/10³

=28/7x10⁻⁶/10³

=4x10⁻⁹

2)5x10⁵x6x10⁻⁴/15x10³

=30/15x10¹/10³

=2x10⁻²

=0.02

© 2024 IDNLearn. All rights reserved.