Express the sum in sigma notation.3 + 6 + 9 + 12 + 15
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.At lift-off, a rocket weighs 40.3 tons, including the weight of fuel. It is fired vertically, and the fuel is consumed at the rate of 2.16 tons per 1,000 ft of ascent. How much work is done in lifting the rocket to an altitude of 10,000 ft?
A. 5.11 x 105 ft?ton B. 2.95 x 105 ft?ton C. 3.31 x 105 ft?ton D. 3.49 x 105 ft?ton
The size N, in thousands, of a certain animal population after t years is given in the table below. Use exponential regression to find the yearly percentage growth rate of the population. Round your answer to two decimal places. t 0 1 2 3 4 N 4.95 5.73 6.34 6.80 7.25?
A. 12.02% B. 10.52% C. 10.00% D. 9.82%
Solve the problem.How many 4-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?
A. 8999 B. 256 C. 10,000 D. 9000
A question on a survey is a "check all that apply" question with five responses to check. How many ways can Abdon check none, some, or all of the responses?
What will be an ideal response?