Answer:
2700000000000000000000 or 27e + 21
Explanation:
10 × 10 × 90 × 300000000000000000
100 × 27000000000000000000
2700000000000000000000
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This could also be denoted as 27e + 21
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Hope I Helped, Feel free to ask any questions to clarify :)
Have a great day!
More Love, More Peace, Less Hate.
-Aadi x