What is the product written in scientific notation? (1.18*103) ⋅ (9.1*10-6) (1.18*103) · (9.1*10-6) 1.0738*10-21.0738*10-2 1.0738*10-41.0738*10-4 10.738*10-310.738*10-3 10.738*10-2

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Jonah goes to the store to buy three notebooks and four pencils. his total is $8.50. if the cost of one notebook is ten times the cost of one pencil, write and solve an algebraic equation to determine the cost of one notebook and pencil.

Simplify the fraction 45xy/15x^2 to lowest terms.

a teacher has 64 students to divide into small groups greater than 2 with no remaimder. how many ways can this be done?

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If cosx = sin20, find the value of x, 0 Solve for x correct to the nearest minute given sin^2 x-3sin xcosx+2cos^2 x=0, where 0≤x≤180