evaluate 1)104×105 and 2)105^3
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1 . 104 ×105
(100+4)×(100+5)
using identity (x+a) (x+b) = x square ( a+b ) x + ab ,
where x =100 , a =4 , b=5.
(100 ) square +(4+5)(100)+(4×5)
10000 + (9) (100) + (20)
10000+900+20
=10920
in square my google typer don't give me mathematical square
2. I don't know
(100+4)×(100+5)
using identity (x+a) (x+b) = x square ( a+b ) x + ab ,
where x =100 , a =4 , b=5.
(100 ) square +(4+5)(100)+(4×5)
10000 + (9) (100) + (20)
10000+900+20
=10920
in square my google typer don't give me mathematical square
2. I don't know
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