Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34

A.
B. 6
C. -729
D. 9


Answer: D

Mathematics

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Use differentiation to determine whether the integral formula is correct.dx = sin x + C

A. No B. Yes

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Solve the problem.The lifetime of an appliance that costs $100 is exponentially distributed with a mean of 2 years. The manufacturer gives a full refund if the appliance fails in the first year following its purchase. If the manufacturer sells 300 printers, how much should it expect to pay in refunds?

A. $18,196 B. $10,624 C. $11,804 D. $118

Mathematics

Add. 

A. 20,600 B. 21,500 C. 21,580 D. 21,600

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Find the value. Give an approximation to four decimal places.ln 43,100,000

A. 17.5790 B. 6.0661 C. 0.0567 D. 7.6345

Mathematics