Solve the problem.The half-life of radium is 1690 years. If 150 grams is present now, how long (to the nearest year) till only 100 grams are present?
Fill in the blank(s) with the appropriate word(s).
989 years
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Solve the problem.The appliance store where the Scott family shops offers a 9% discount for paying cash. The Scott family received a discount of $88. What was their total bill before the discount? Round your answer to the nearest dollar, if necessary.
A. $10 B. $978 C. $8 D. $800
Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 5; zeros: -2, i, 2i
A. -i, -2i B. 2, -2i C. 2, -i D. 2, -i, -2i
Solve the problem. Round your answer to the nearest whole number.The capital value of an asset is defined as 
, where k is the annual rate of interest compounded continuously and R(t) gives the annual rate at which earnings are produced by the asset at time t. Find the capital value of an asset that produces $5000 yearly income at 9% compounded continuously.
A. $62,500 B. $55,556 C. $50,000 D. $55,000
Solve the equation 
for x.
a. 11 b. –9 c. –11 d. 0