Question

Notação Científica de base 10.

a) -2X10^31 · 3X10^-21=

b) 10^3 · 3X10^7=

c) -2X10^3 · 10^7​

Answer 1

-2.10³¹ . 3.10⁻²¹ => -6.10¹⁰

10³ . 3.10⁷ => 3.10¹⁰

-2.10³ . 10⁷ => -2.10¹⁰