X is a 30 digit number starting with the digit 4 followed by the digit 7. Then…
2017
X is a 30 digit number starting with the digit 4 followed by the digit 7. Then the number X3 will have
Answer: A. 90 digits
- A.
90 digits
- B.
91 digits
- C.
92 digits
- D.
93 digits
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Correct answer: A
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