Question

Se X= (0,001)^-2 e Y= 20.000 , calcule :

a) X•Y=
b)X/Y
C)Y/X

Answer 1

(0,001)⁻²= (10⁻³)⁻² =10⁻³ ̽⁻²=10⁶

a) 10⁶.2.10⁴=2.10⁶⁺⁴=2.10¹⁰

b) 10⁶/2.10⁴= 0,5.10⁶⁻⁴= 0,5.10²= 50

C) 2.10⁴/10⁶= 2.10⁴⁻⁶= 2.10⁻²