can you help me simplify?

1 ⤊

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2007-12-16 05:56:31 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

sqrt(-2) *sqrt(-8)
= i*sqrt(2) *i*sqrt(8)
= (i*i)(sqrt(2)*sqrt(8)
= (i^2)(sqrt(16))
= (-1)(4)
= -4

2007-12-16 14:46:35 · answer #1 · answered by MsMath 7 · 0⤊ 2⤋

â (- 2 )â ( - 8 ) = â 16 = 4

2007-12-20 11:11:43 · answer #2 · answered by Como 7 · 1⤊ 0⤋

2007-12-16 14:00:50 · answer #3 · answered by ash 2 · 0⤊ 2⤋