How many more digits does the base-10 number 87 have when expressed in base 2 than when expressed in base 8?
Base 8 87 = 64 + 2 *8 + 7 = 1278
base 2 87 = 64 + 0x32 + 16 + 4 x1 +2 + 1 = 101111 Take it from here,,,,,,