SOLUTION: Can you please help me evaluate the expression to this problem 3*4 to the second power-21?

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Question 171273: Can you please help me evaluate the expression to this problem 3*4 to the second power-21?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Can you please help me evaluate the expression to this problem 3*4 to the second power-21?
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Maybe. Is it 3%2A4%5E2+-21 ?
If so, that's
3*16 - 21
= 48-21
= 27