Answer:
1,500,000,000
Explanation:
First, solve 3x10 to the 4th power. (10x10x10x10=10000)and then multiply 3=30,000. Then do the same with 5x10 to the 4th power (10000)and times 5=50,000. Finally, Muliply 50,000x30,000=1,500,000,000.
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