Summation Notation Answers
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Wyatt claims that is equivalent to . Which statement about his claim is true in every aspect?
A
true, because (Wyatt used properties of exponents to simplify the expression.)
B
true, because the gives 9 and will cause the signs to alternate (Wyatt knows that negative exponents alternate the signs.)
C
false, because a base of and 9 cannot be combined into a single base for a power (It does not matter that Wyatt dropped the negative.)
D
false, because when combined in this manner, the alternating signs of the series are lost (Wyatt ignored the negative in the first factor.)3
Which of the following is the correct expanded form for the series below?
A
0 + 1 + 4 + 9 + 3B
(0 + 3) +(1 + 3) + (4 + 3) + (9 + 3)C
1 + 3 + 9 + 27 + 3D
(0 +3) + (2 + 3) + (4 + 3) + (6 + 3)4
Which of the following is the correct expanded form for the series below?
A
mc001-2.jpg
B
mc001-3.jpg
C
mc001-4.jpg
D
mc001-5.jpg
5
Which summation formula represents the series below?5 + 7 + 9 + 11
A
mc007-1.jpg
B
mc007-2.jpg
C
mc007-3.jpg
D
mc007-4.jpg
6
Food costs are expected to rise 6% each month for the next year. Which series correctly depicts the cost (to the nearest cent) for the next three months if the current cost is $150 per month?
A
$150.00 + $159.00 + $168.00B
$150.00 + $159.00 + $168.54C
$159.00 + $168.00 + $177.00D
$159.00 + $168.54 + $178.657
Which of the following is the correct expanded form for the series below?
A
mc003-2.jpg
B
mc003-3.jpg
C
mc003-4.jpg
D
mc003-5.jpg
9
Which of the following is the result of expanding the series ?
A
12B
22C
6x + 8D
6x + 1210
What is the value of ?
A
7.5B
17.5C
60.5D
76.5Did you find these answers helpful?
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