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easiest way of explaining it is as follows 103 = 1 x 10 x 10 x 10 102 = 1 x 10 x 10 101 = 1 x 10 100 = 1
f(x) = x^2 - 9x - 10 = ( x - 10 ) ( x + 1 )Answer : ( x - 10 ) ( x + 1 )
1 x 10 to the power of 2 is 1 x 102 or 10 x 10 or 100
10% of 10 is One 10 x 10/100 = 10 x 1/10 = 10/10 = 1
2 x 5 x 10 - 1= n 10 x 10 - 1=n 100 - 1 =n 99= n