5 2 21 4 July 8, 2019 16 32 64 128 5 1 2 21 4 5 2 x 21 4 5 2 8 21 4 5 2x 9 2 21 4 X 5 x 2 4x 21 5 х 10 2 х 441 21 6 Y 5 2 y y 4 )- 21 5 3 4 21 2 5 2 4x 21 x 3 2 5 * 21 4 in fraction 5 21 2 4 )+ b 2 5 of 21 40 2 5 of 21 40 as a decimal 2 5 x 21 40 7 )( 5 )= 2 4 21
