Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(-8x2y)(-7x3y5)
A. -56x5y5
B. -15x5y5
C. 56x6y5
D. 56x5y6
Answer: D
Mathematics
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Solve.In its latest census, a country's population is calculated to be 1,456,276. Round this number to the nearest thousand.
A. 1,456,300 B. 1,456,280 C. 1,457,000 D. 1,456,000
Mathematics
Graph the linear inequality.y ? 2
A. 
B. 
C. 
D. 
Mathematics
Factor out the GCF from the polynomial.128m9 + 144m7 - 144m3
A. -m3(-128m6 + 144m4 + 144) B. m3(128m6 + 144m4 - 144) C. 16(8m9 + 9m7 - 9m3) D. 16m3(8m6 + 9m4 - 9)
Mathematics
Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.{4n - 2}
A. Arithmetic; d = -2 B. Arithmetic; d = 4 C. Geometric; r = 4 D. Neither
Mathematics