0 + 00000000? 00000000 In base 0, what is -0 - 00000000000000? -00000000000000 In base 0, what is -000000000 + -0? -000000000 In base 0, what is -00000000 - -0000000? -00000000 In base 00, what is -00000 - 000? -00000 In base 0, what is 