Math, asked by Saron7788, 8 months ago

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

Answers

Answered by anavguptadelhi

0

Answer:

Step-by-step explanation:

The cyclicity of 3 is 4

3^4x1+3

3^3=9- Unit digit

9+2 =11 so 1 is the unit digit

Therefore number is odd.

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