

MCQOPTIONS
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1. |
Adding + 77ĵ and 7 + ĵ gives ______ |
A. | 8 + 78ĵ |
B. | 0 + 76ĵ |
C. | + 74ĵ |
D. | 78 + 8ĵ |
Answer» B. 0 + 76ĵ | |