Q2T2 Summation Notation
Q1T1
100

1: Write this problem in expanded form:


-1+0+3+8+15

100

A variable is important in mathematics to... 

maintain generally and avoid ambiguity. 

200

2: Find the sum: 

70

200

Let A={a,b}. List all the strings of 3 over A that have exactly one b.

aab,aba,bab

300

3: Find the sum: 

126

300

Let A = {1,2,3,4} and B = {a,b,c}. Define a function G: A --> B as follows: G = {(1,b),(2,c),(3,b),(4,c)}. 

Find G(2).

G(2) = c

400

4: Write this problem in expanded form: 

184+175+164+151

500

5: Calculate the product: 

2.0589113209e14

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