Write the following as a sum using powers of 10 to show place value.0.300398
A. 0 ? 10-1 + 3 ? 10-2 + 0 ? 10-3 + 0 ? 10-4 + 3 ? 10-5 + 9 ? 10-6 + 8 ? 10-7
B. 0 ? 101 + 3 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 3 ? 10-3 + 9 ? 10-4 + 8 ? 10-5
C. 0 ? 100 + 3 ? 101 + 0 ? 102 + 0 ? 103 + 3 ? 104 + 9 ? 105 + 8 ? 106
D. 0 ? 100 + 3 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 3 ? 10-4 + 9 ? 10-5 + 8 ? 10-6
Answer: D
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In a certain city there is a river running through the middle of the city. There are three islands and seven bridges as shown in the figure below.
It is possible to take a walk through this town, starting on the North Bank, crossing each bridge once (and only once) and ending
A. on the South Bank. B. back on the North Bank. C. on island B. D. on island C. E. none of these
Divide and simplify.
A. 3x2 + 2 + 
B. 3x + 2 + 
C. 3x2 + 2 + 
D. 3x + 2 + 
Solve.|8x| + 8 = 17
A. 
B. ?
C. 
D. {9, -9}
Solve the problem. If the base of the log is not specified, assume that it is 10.The sales of a new product (in items per month) can be approximated by 
, where t represents the number of months after the item first becomes available. Find the number of items sold per month 33 months after the item first becomes available.
A. 5225 items per month B. 1225 items per month C. 112,500 items per month D. 10,225 items per month