Simplify the expression.
?
What will be an ideal response?
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Solve.Find the weight of the piece of steel pictured. Steel weights 0.2833 pounds per cubic inch. Round to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).
842 ð 10-3 =
a. 8.42 b. 0.842 c. 84200 d. 84.2 e. 8420
Solve the problem.The sales of a mature product (one which has passed its peak) are given by the function 
where t is time in years. Find the sales after 7 years if 
and 
A. 32,164 B. 16,082 C. 74,504 D. 27,962
The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. infinitely many solutions of the form x = 2 + 3z, y = 4 + z, z = z B. infinitely many solutions of the form x = 2 - 3z, y = 4 - z, z = z C. infinitely many solutions of the form x = 2 + 3z, y = 4 - z, z = z D. infinitely many solutions of the form x = 2 - 3z, y = 4 + z, z = z