2 x 5 10 4 July 8, 2019 16 32 64 128 2 x 5 )= 4x 10 2 (- 2x 5 )+ 4x 10 2 x 5 )= 4 10 2x 2 /- 5 x 10 - 1 4 6 2 x 10 5 4 2x 2 5 5x 4 10 2x 5 10 4x 2 8 5 x 10 )=- 3 4 (( 5 x 2 10 4 3 2 x 4 10 5 3x 2 45 x 10 5 1 5 2 x ≤ 10 4x 5 2 3 x )= 4x 10 2 5 x 4 10 as a fraction 5 2 x 5 10 4 5x