Solve the problem.If an object is thrown upward with an initial velocity of 128 ft/s, its height after t seconds is given by 
Find the object's height after 4.0 seconds.
A. 128 ft
B. 240 ft
C. 112 ft
D. 256 ft
Answer: D
Mathematics
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Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Evaluate the logarithm, if possible. Round the answer to four decimal places.ln 5,500,000
A. 4.0073 B. 6.7404 C. 0.0642 D. 15.5203
Mathematics
Remove parentheses and simplify.6x - (4 - 4x)
A. 6x - 8 B. 10x - 4 C. 2x - 4 D. 10x + 4
Mathematics
Write the fraction in lowest terms.
A. 4 + 
B. 4 + 
C. 4 + 2
D. 8 + 
Mathematics