Mathematics
Mathematics, 09.01.2021 01:10, sairaanwar67

7. Write the answer in proper scientific notation: (7 x 10^5) x (3 x 10^4) 1 point
21*10^20
21*10045
21*10^9
21*10^5/4

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7. Write the answer in proper scientific notation: (7 x 10^5) x (3 x 10^4) 1 point
21*10^20

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