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Explain how 3^7 + 2 must be an odd number
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Explain how 3^7 + 2 must be an odd number

User Agoo Clinton
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15 votes
It must be an odd number because 3^7 is also shown as:
3x3x3x3x3x3x3

Which equals:2,187

2,187 is an odd number because the last number is a 7 which is odd.
User Wearybands
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