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Order the following numbers from least to greatest: 3.9 x 10^15, 7.3 x 10^9, 4.6 x 10^9, 2.1 x 10^18

User Peleke
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1 Answer

4 votes

Answer:

1. 7.3 x 10^9

2. 3.9 x 20^15

3. 2.1 x 10^18

Explanation

Multiplying by exponents of 10 you simply move the decimals that many places.

User Donald Webb
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