5 a 25 July 8, 2019 16 32 64 128 5 a 250 5 25 a cm 5 25 a decimal 5 25 a 4 5 a 7 )= 25 5 a 1 )= 25 5 a 3 )= 25 5 a 2 25 5 10 a )= 25 5 253 5 258 5 255 5 25 77 5 251 5 254