## PLZ HELP QUICK Select all the correct answers. What is 221,000,000,000,000,000,000 expressed in scientific notation?

Question

PLZ HELP QUICK

Select all the correct answers. What is 221,000,000,000,000,000,000 expressed in scientific notation?

2.21 × 10^21

2.21E20

2.21E21

2.21E-20

2.21 × 10^-21

2.21 × 10^-20

2.21 × 10^20

2.21E-21

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2022-01-08T15:29:30+00:00
2022-01-08T15:29:30+00:00 2 Answers
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## Answers ( )

Answer:2.21 * 10^18

Step-by-step explanation:Answer:2.21E20

2.21 × 10^20

Step-by-step explanation:The decimal point has to go 20 places to the left to give the number 2.21; that means the exponent on the 10 is 20.

Answer:

2.21E20

2.21 × 10^20