Answer:
1) 2160000000
2) 3.24 * 10^14
Explanation:
30*8000(5-)1800
240000 * 5 * 1800
1200000 * 1800
2160000000
1500(800-)15000*18000
1200000 * 15000 * 18000
18000000000 * 18000
3.24 * 10^14
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