Answer:
a.)6.3 x 10⁶ b.)9 x 10⁷
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
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