How many license plates can be made using 2 different letters followed by 2 different digits if the first digit cannot be 0 and the letter O is not used?
Fill in the blank(s) with the appropriate word(s).
48,600
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Factor completely.32x2 + 80xy + 50y2
A. 2(4x + 5y)2 B. 2(16x2 + 40xy + 25y) C. (8x + 10y)(4x + 5y) D. 2(4x - 5y)(4x + 5y)
In an adiabatic process (one in which no heat transfer takes place), the pressure P and volume V of an ideal gas such as oxygen satisfy the equation 
where C is a constant. Suppose that at a certain instant of time, the volume of the gas is 2L, the pressure is 100 kPa, and the pressure is decreasing at the rate of 5 kPa/sec. Find the rate at which the volume is changing.
a. 14 L/sec
b. C–14 L/sec
c. C–
d. 
Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 500 units; 63 units B. 500 units; 16 units C. 500 units; 4000 units D. 1000 units; 63 units
Multiply.
A. 
B. 
C. 
D. 