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Are these questions done correctly?
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5 votes
Are these questions done correctly?

Are these questions done correctly?-example-1
User E Dominique
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For number 20 they are incorrect.
You must start with one number.
Ex: 4 (4) (4) (4) is 4 to the 3 power because their are three times it is multiplied.
User Leandro Mora
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