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posted by Deborah on Thursday, January 10, 2013 at 1:03pm.

Which number is equal to 7(3.5 x 10to the 4th) written in scientific notation? A.24.5 x 70to the 4th B.2.45 x 10 to the 5th C.24.5 x 10 to the 4th D.1.05 x 10 to the 5th I think it is B...?

7*3.5 = 24.5, so you have 24.5*10^4 but scientific notaion requires a value less than 10, so you have to raise the power by one. (B)

Describe 2 polygons by the number of vertices and sides each has

Choice-f

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