metric conversion hard problem need help?

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78.915 mg=______ g

2007-10-05 04:24:06 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

simple. change the mili prefix into its value, 10^-3

7.8915 x 10 x 10^-3 g = 7.8915 x 10^10-2 g
= 0.078915 g

2007-10-05 04:43:14 · answer #1 · answered by idiotwhowantstolearn 3 · 0⤊ 0⤋

A mg is a milligram, which is a thousandth of a gram.

78.915 mg = 0.078915 g

2007-10-05 11:27:32 · answer #2 · answered by Swamy 7 · 0⤊ 0⤋

78.915 mg x 1g/1000mg = 0.078915 g

2007-10-05 11:31:25 · answer #3 · answered by sheryl lyn b 2 · 0⤊ 0⤋