Question

89² using properties
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Answer 1

Answer:

89*89

hxhfbbbgbffhfbdbfhfhfhdbdjf

Answer 2

Answer:

89².

(90-1)².

By using formula (a-b)²=a²-2ab+b² where a=90 & b=1.

(90-1)²=(90)²-2(90)(1)+(1)².

=8100-180+1.

=7920+1.

=7921.

I think this is your answer.