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What is the answer if 202^2 base3 - 112^2 base3?

What is the answer if 202^2 base3 - 112^2 base3?
asked 188k views
1 vote
What is the answer if 202^2 base3 - 112^2 base3?

asked
User GiladG
by
8.0k points

1 Answer

5 votes

Answer:

Hello,

answer is 204 in base 10 or 21120 in base 3

Explanation:


((202)_3)^2=(202*202)_3=(112211)_3\\\\((112)_3)^2=(112*112)_3=(21021)_3\\\\(112211-21021)_3=(211120)_3=(204)_(10)\\\\\\\\\\Other\ way\\\\((202)_3)^2=((20)_(10))^2=(400)_(10)\\\\((112)_3)^2=((14)_(10))^2=(196)_(10)\\\\(400-196)_(10)=(204)_(10)=(21120)_3

answered
User Jacman
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