Determine an estimate of the exact answer. Use estimation by rounding.Johnston Community Hospital estimates that 21.3% of all operations in hospitals are hip replacements. If 3,928,995 operations were performed last year, estimate the number of hip replacement operations. (Round the percent to the nearest one and the number of operations to the nearest million)
A. 83,687,593.5
B. 836,875.935
C. 825,088.95
D. 840,000
Answer: D
Mathematics
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006
Mathematics
Answer the question.Find f - g, where f(x) = 4p2 + 9p + 10 and g(x) = 13p2 + 19p - 8.
A. -9p2 + 10p - 18 B. -9p2 - 10p + 18 C. -9p4 - 10p2 + 18 D. -9p2 - 10p + 2
Mathematics
Perform the necessary operations.2 + (-1) - (-7) + 1
A. -5 B. -3 C. 7 D. 9
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. (z + 3)(z - 8)
Mathematics