Evaluate the expression for the given replacement values.yx, for x = 3 and y = 7
A. 4
B. 343
C. 10
D. 21
Answer: B
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In the circuit below, R1 = 3.3 Kê, R2 = 5.6 Kê, R3 = 4.7 Kê, and C = 846 pF. What is IC of an equivalent Norton circuit when f = fCO?
a. 4.5 mA
b. 10.7 mA
c. 1.9 mA
d. 2.7 mA
e. 1.8 mA
Evaluate the expression for the given replacement value.159 ÷ x, for x = 3
A. 55 B. 56 C. 51 D. 53
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. 6x3 B. 4x3 C. 4x-3 D. 8x3
Solve the problem.Ariel, a marine biologist, models a population P of crabs, t days after being left to reproduce, with the function 
. Assuming that this model continues to be accurate, when will this population become extinct? (Round to the nearest day.)
A. 547 days B. 1512 days C. 911 days D. 707 days