Write the number in scientific notation.2,600,000

A. 2.6 × 10-7
B. 2.6 × 10-6
C. 2.6 × 106
D. 2.6 × 107


Answer: C

Mathematics

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Evaluate the expression. All numbers are approximate. State your answer with the proper accuracy and precision.7 + (-4)3 - (-4)9

A. -262,073 B. 300,000 C. -262,201 D. 262,087

Mathematics

Provide an appropriate response.Suppose that a simple economy consists of three sectors: agriculture (A), manufacturing (M), and transportation (T). Economists have determined that to produce one unit of A requires  units of A,  units of B, and  units of T, while production of one unit of M requires  units of A, 

src="https://sciemce.com/media/4/ppg__tttt0616191201__f1q59g5.jpg" style="vertical-align: -17.0px;" /> units of M, and  units of T, and production of one unit of T requires  units of A,  units of M, and  units of T. There is an external demand for 20 units of A, 40 units of M, and 10 units of T. Determine the production levels necessary to meet the external demand.

What will be an ideal response?

Mathematics

Find the average.Monthly checking account fees: $17, $11, $8, $11, $8, $4, $4

A. $11 B. $8 C. $4 D. $9

Mathematics

Multiply.(-7)8 ? (-7)7

A. -4956 B. (-7)15 C. 4915 D. 715

Mathematics