Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a9 when a1 = 4, r = 2.
A. 1028
B. 2048
C. 20
D. 1024
Answer: D
Mathematics
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Use L'H
pital's rule to find the limit.
x sin 
A. 0
B. 12
C. 
D. 1
Mathematics
Solve the problem.The decay of 356 mg of an isotope is given by A(t) = 356e-0.019t, where t is time in years. Find the amount left after 89 years.
A. 33 mg B. 66 mg C. 349 mg D. 64 mg
Mathematics
Solve the problem.Find the complementary angle to ? = 53°55'53''
A. 37°5'7'' B. 37°4'7'' C. 126°4'7'' D. 36°4'7''
Mathematics
Perform the addition or subtraction and write the result in standard form.
?
?
?
A. 5 B. 7 C. 9 D. 8 E. ?6
Mathematics