Add the following numbers:
a. 1.23 ð 103 + 4.56 ð 102
b. 81.6 ð 102 + 9.42 ð 103
c. 17.3 ð 10-2 + 47.0 ð 10-3
a. 1.686 ð 103
b. 1.758 ð 104
c. 2.2 ð 10-1
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Solve. First isolate the radical term.
+ 3 = 0
A. - 
B. 
C. - 
D. No solution
Mathematics
Write a recursion formula for the sequence.-5, 3, 11, 19, . . .
A. an = an-1 - 8, a1 = -5 B. an = an-1 - 9, a1 = -5 C. an = an-1 + 8, a1 = -5 D. an = an-1 + 9, a1 = -5
Mathematics
Factor the difference of squares.81y4 - 25
A. (9y2 + 5)2 B. (9y2 + 5)(9y2 - 5) C. Prime D. (9y2 - 5)2
Mathematics