Respuesta :

Answer:

a.)6.3 x 10⁶   b.)9 x 10⁷

Step-by-step explanation:

a. 6300 x 1000 = 6,300,000

= 6.3 x 10⁶ g

b. 6, 300,000 x 0.00007

= 90,000,000,000

= 9 x 10¹⁰g