Write the series in summation notation. Use the index i and let i begin at 1 in each summation.-4 + 5 - 6 + 7 - 8 + 9
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Make the indicated conversion.Convert 1010101111001101two to hexadecimal.
A. 111E3116 B. 12571516 C. ABCD16 D. B6FE116
Mathematics
Write the Hindu-Arabic numeral for the given Egyptian numeral.
A. 6020 B. 62,000 C. 6200 D. 60,200
Mathematics
If a< b, then a - c > b - c.
Answer the following statement true (T) or false (F)
Mathematics
Write a formula for the nth term of the arithmetic sequence. Use the formula to find the 20th term of the sequence.a = 9, d = 0.3
A. an = 9n + 0.3; a20 = 180.3 B. an = 9n - 8.7; a20 = 171.3 C. an = 0.3n + 8.7; a20 = 14.7 D. an = 0.3n + 9; a20 = 15
Mathematics