Simplify the expression. Assume that all variables are positive.
A. xy7
B. x7y2
C. x2y7
D. x7y
Answer: D
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Write expanded notation.The projected population in 2050 for a certain country is 4,297,476.
A. 6 millions + 7 hundred thousands + 4 ten thousands + 9 thousands + 7 hundreds + 2 tens + 4 ones B. 4 hundred thousands + 2 ten thousands + 9 thousands + 7 hundreds + 4 tens + 7 ones + 6 C. 4 millions + 2 hundred thousands + 9 ten thousands + 7 thousands + 4 hundreds + 7 tens + 6 ones D. 4 millions + 2 hundred thousands + 9 ten thousands + 7 thousands + 4 tens + 7 ones + 6
Convert to decimal notation.10-2
A. 0.1 B. 0.001 C. 1 D. 0.01
Solve the problem.The population of a town was 34,300 at the beginning of 1970. If the population decreased 300 people per year, how many people lived in the town at the beginning of 1985?
A. 29,800 people B. 30,100 people C. 4500 people D. 29,500 people
Provide an appropriate response.Given the sets N, Z, Q, and R, indicate to which set(s) each of the following numbers belong.(A) 
(B) e(C) -2(D) 8
What will be an ideal response?