Multiply by powers of 10.21.125 × 10
A. 2.1125
B. 2112.5
C. 21.1250
D. 211.25
Answer: D
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Find the product.7(-3b4)
A. -21b4 B. -21 + b4 C. 7 - 3b4 D. -10b4
Solve the problem.A particular freight elevator can safely carry 976 pounds. How many 
bundles of wood can be safely carried by this elevator?
A. 4 bundles B. 6 bundles C. 3 bundles D. 8 bundles
Where C is the circumference of a circle and r is its length of radius, the approximate value of the ratio C : r is:
A. 1.57 B. 3.14 C. 6.28 D. 12.56
Solve the problem.Given the following revenue and cost functions, determine for what x-values a loss will occur. (Recall that profit equals revenue minus cost.) R(x) = 60x - 2x2; C(x) = 20x + 941
A. For 5.0 < x < 15.0 B. For 2.7 < x < 17.3 C. For x < 5.0 or x > 15.0 D. For x < -17.3 or x > -2.7