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486-487 Problems #1a-4a all, 9a,b,c
2
a) $107.20 b) $141.57 c) $401.69
4
a) 1126.83 b) $1269.73 c) $3300.39
8
a) 8N b) 6.87 X 10^10N c) 4.72X10^21N
10
25 grams