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