SOLUTION: Which number is correctly written in scientific notation? Explain what is wrong with the other three choices. A 7.15 x 10 to the 2nd power B 10 x 10 to the 5th power C

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Question 500736: Which number is correctly written in scientific notation? Explain what is wrong with the other three choices.
A 7.15 x 10 to the 2nd power

B 10 x 10 to the 5th power

C 0.007 x 10 to the 3rd power

D 6 x 2 to the 10th power
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
A is correct. B and C violate the restraint that the coefficient must be at least one and strictly less than 10, and D doesn't even use a power of 10.