What is 221,000,000,000,000,000,000 expressed in scientific notation? a.2.21 × 1021 b.2.21E20 c.2.21E21 d.2.21E-20 e.2.21 × 10-2
1 f.2.21 × 10-20 g.2.21 × 1020 h.2.21E-21
2 answers:
Answer:
The Answer Is <em>B</em> and <em>G</em>
Step-by-step explanation:
I went and clicked all the answers and found out these two were the correct answer.
Answer:
221,000,000,000,000,000,000 = 2.21 x 10^20
therefore, the answer is b
Step-by-step explanation:
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