Perform the following operations. Express in scientific notation.
a. (52)2
b. (33)2
ÄÄÄÄÄ
(42)2
a. 6.25 ð 102
b. 2.85
Mathematics
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Evaluate the integral.
A. 3i + 
j + 4(1 + 
)k
B. 3i + 
j + 4(1 - 
)k
C. 3i + 
j + 4(1 + 
)k
D. 3i + 
j + 4(1 - 
)k
Mathematics
Rationalize the denominator and simplify. Assume all variables represent nonnegative real numbers. 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer to the nearest cent.Tara invests $250 in an account paying 8.7% compounded annually. How much is in the account after 7 years?
A. $448.28 B. $449.64 C. $152.25 D. $448.80
Mathematics
Evaluate the following for the given value.-(-x) for x = 3
A. -4 B. 4 C. -3 D. 3
Mathematics