HOTS
1. (a) Calculate 1 - 2 - 3 - 4 +5 - 6+ ...... + 179 - 180.
Answers
Answered by
1
Your answer is
-90
I hope
This
Answered by
2
S = 1 - 2 + 3 - 4 + 5 - 6 + ___ + 179 - 180
+ S = 1 - 2 + 3 - 4 + 5 - 6 + ___ + 179 - 180
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2S = 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - ___ - 1 - 1 - 1 - 180
2S = -180
S =
S = -90
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