Find the product.47 x 0.8
A. 37.71
B. 38.7
C. 47.8
D. 37.6
Answer: D
Mathematics
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Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5
Mathematics
Provide an appropriate response.What property of real numbers allows us to write (e + a)b = eb + ab?
A. commutative B. closure C. distributive D. associative E. none of the above
Mathematics
Use your estimation skills and the percent shortcuts to select the most reasonable answer. Do not write an equation and solve it.What is 80% of 1700 pounds?
A. 80 pounds B. 340 pounds C. 3060 pounds D. 1360 pounds
Mathematics
For the given matrix A, find k such that Nul A is a subspace of ?k and find m such that Col A is a subspace of ?m. A = 
A. k = 3, m = 3 B. k = 6, m = 6 C. k = 6, m = 3 D. k = 3, m = 6
Mathematics